merged branch eriksencosta/readme-fixes (PR #3814)

Commits
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f3efea3 [Propel1Bridge][TwigBridge] fixed export instructions in the README files

Discussion
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[Propel1Bridge][TwigBridge] fixed export instructions in the README files

src/Symfony/Bridge/Propel1/README.md

@@ -15,6 +15,6 @@ Components, declare the following environment variables before running
 PHPUnit:
 
     export PROPEL1=../path/to/Propel
-    export HTTP_FOUNDATION=../path/to/HttpFoundation
-    export HTTP_KERNEL=../path/to/HttpKernel
-    export HTTP_FORM=../path/to/Form
+    export SYMFONY_HTTP_FOUNDATION=../path/to/HttpFoundation
+    export SYMFONY_HTTP_KERNEL=../path/to/HttpKernel
+    export SYMFONY_FORM=../path/to/Form

src/Symfony/Bridge/Twig/README.md

@@ -15,8 +15,8 @@ If you also want to run the unit tests that depend on other Symfony
 Components, declare the following environment variables before running
 PHPUnit:
 
-    export HTTP_TWIG=../path/to/Twig
-    export HTTP_FORM=../path/to/Form
-    export HTTP_TRANSLATION=../path/to/Translation
-    export HTTP_EVENT_DISPATCHER=../path/to/EventDispatcher
-    export HTTP_LOCALE=../path/to/Locale
+    export TWIG=../path/to/Twig
+    export SYMFONY_FORM=../path/to/Form
+    export SYMFONY_TRANSLATION=../path/to/Translation
+    export SYMFONY_EVENT_DISPATCHER=../path/to/EventDispatcher
+    export SYMFONY_LOCALE=../path/to/Locale