diff --git a/.travis.yml b/.travis.yml
index fb1f213fa6..ec9bf6da4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,15 +2,15 @@ language: php
 
 matrix:
     include:
-        - php: 5.3.3
-          env: components=low
-        - php: 5.6
-          env: components=high
         - php: 5.3.3
         - php: 5.3
         - php: 5.4
         - php: 5.5
         - php: 5.6
+        - php: 5.3.3
+          env: components=low
+        - php: 5.6
+          env: components=high
         - php: hhvm-nightly
     allow_failures:
         - php: hhvm-nightly
@@ -32,13 +32,14 @@ before_install:
     - if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ]; then echo "extension = memcache.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;
     - if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ]; then php -i; fi;
     - sudo locale-gen fr_FR.UTF-8 && sudo update-locale
-#    - if [ "$TRAVIS_PHP_VERSION" != "5.3.3" ]; then phpunit --self-update; fi;
+    # Set the COMPOSER_ROOT_VERSION to the right version according to the branch being built
+    - if [ "$TRAVIS_BRANCH" = "master" ]; then export COMPOSER_ROOT_VERSION=dev-master; else export COMPOSER_ROOT_VERSION="$TRAVIS_BRANCH".x-dev; fi;
 
 install:
-    - if [ "$components" = "no" ]; then COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev install; fi;
+    - if [ "$components" = "no" ]; then composer --prefer-source --dev install; fi;
 
 script:
     - if [ "$components" = "no" ]; then ls -d src/Symfony/*/* | parallel --gnu --keep-order 'echo -e "\\nRunning {} tests"; phpunit --exclude-group tty,benchmark,intl-data {} || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
     - if [ "$components" = "no" ]; then echo -e "\\nRunning tests requiring tty"; phpunit --group tty || (echo -e "\\e[41mKO\\e[0m tty group" && $(exit 1)); fi;
-    - if [ "$components" = "high" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
-    - if [ "$components" = "low" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev --prefer-lowest --prefer-stable update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+    - if [ "$components" = "high" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source --dev update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+    - if [ "$components" = "low" ]; then find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist | sed 's#\(.*\)/.*#\1#' | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source --dev --prefer-lowest --prefer-stable update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index c532fb7ab5..8896ffe715 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -240,35 +240,9 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     }
 
     /**
-     * Returns the file path for a given resource.
+     * {@inheritDoc}
      *
-     * A Resource can be a file or a directory.
-     *
-     * The resource name must follow the following pattern:
-     *
-     *     @<BundleName>/path/to/a/file.something
-     *
-     * where BundleName is the name of the bundle
-     * and the remaining part is the relative path in the bundle.
-     *
-     * If $dir is passed, and the first segment of the path is "Resources",
-     * this method will look for a file named:
-     *
-     *     $dir/<BundleName>/path/without/Resources
-     *
-     * before looking in the bundle resource folder.
-     *
-     * @param string $name  A resource name to locate
-     * @param string $dir   A directory where to look for the resource first
-     * @param bool   $first Whether to return the first path or paths for all matching bundles
-     *
-     * @return string|array The absolute path of the resource or an array if $first is false
-     *
-     * @throws \InvalidArgumentException if the file cannot be found or the name is not valid
-     * @throws \RuntimeException         if the name contains invalid/unsafe
-     * @throws \RuntimeException         if a custom resource is hidden by a resource in a derived bundle
-     *
-     * @api
+     * @throws \RuntimeException if a custom resource is hidden by a resource in a derived bundle
      */
     public function locateResource($name, $dir = null, $first = true)
     {
diff --git a/src/Symfony/Component/HttpKernel/KernelInterface.php b/src/Symfony/Component/HttpKernel/KernelInterface.php
index 006a0fe31a..44c6f5be47 100644
--- a/src/Symfony/Component/HttpKernel/KernelInterface.php
+++ b/src/Symfony/Component/HttpKernel/KernelInterface.php
@@ -101,15 +101,17 @@ interface KernelInterface extends HttpKernelInterface, \Serializable
      *
      * The resource name must follow the following pattern:
      *
-     *     @BundleName/path/to/a/file.something
+     *     "@BundleName/path/to/a/file.something"
      *
      * where BundleName is the name of the bundle
      * and the remaining part is the relative path in the bundle.
      *
-     * If $dir is passed, and the first segment of the path is Resources,
+     * If $dir is passed, and the first segment of the path is "Resources",
      * this method will look for a file named:
      *
-     *     $dir/BundleName/path/without/Resources
+     *     $dir/<BundleName>/path/without/Resources
+     *
+     * before looking in the bundle resource folder.
      *
      * @param string $name  A resource name to locate
      * @param string $dir   A directory where to look for the resource first
diff --git a/src/Symfony/Component/Process/ProcessBuilder.php b/src/Symfony/Component/Process/ProcessBuilder.php
index 14da021859..189ab8a3d1 100644
--- a/src/Symfony/Component/Process/ProcessBuilder.php
+++ b/src/Symfony/Component/Process/ProcessBuilder.php
@@ -187,7 +187,7 @@ class ProcessBuilder
      *
      * To disable the timeout, set this value to null.
      *
-     * @param float|null
+     * @param float|null $timeout
      *
      * @return ProcessBuilder
      *
diff --git a/src/Symfony/Component/Security/Core/Util/ClassUtils.php b/src/Symfony/Component/Security/Core/Util/ClassUtils.php
index 6107c40fa6..6c8709668f 100644
--- a/src/Symfony/Component/Security/Core/Util/ClassUtils.php
+++ b/src/Symfony/Component/Security/Core/Util/ClassUtils.php
@@ -48,7 +48,7 @@ class ClassUtils
     /**
      * Gets the real class name of a class name that could be a proxy.
      *
-     * @param string|object
+     * @param string|object $object
      *
      * @return string
      */