* 2.1:
added support for the X-Forwarded-For header (closes#6982, closes#7000)
fixed the IP address in HttpCache when calling the backend
[EventDispatcher] Added assertion.
[EventDispathcer] Fix removeListener
[DependencyInjection] Add clone for resources which were introduced in 2.1
[DependencyInjection] Allow frozen containers to be dumped to graphviz
Fix 'undefined index' error, when entering scope recursively
[Security] fixed session creation on login (closes#7011)
Add dot character `.` to legal mime subtype regular expression
[HttpFoundation] fixed the creation of sub-requests under some circumstancies (closes#6923, closes#6936)
* 2.0:
[DependencyInjection] Allow frozen containers to be dumped to graphviz
Add dot character `.` to legal mime subtype regular expression
[HttpFoundation] fixed the creation of sub-requests under some circumstancies (closes#6923, closes#6936)
The Config component is a hard dependency for the loaders (but loaders
themselves are optional); all other classes should not have a hard dep
on Config. The introduction of a new flag allows to remove this
dependency.
This commit also fixes skipped test dependencies.
