Merge pull request #373 from Th3Mouk/master

[MOD] The name of the strategy
[ADD] use PageServiceManagerInterface

to prevent namespace errors during overriding
Merge pull request #382 from Th3Mouk/patch-1

[ADD] use PageServiceManagerInterface
Merge pull request #386 from Th3Mouk/master

[ADD] i18n Composer Blocks
fix issue with missing end() call
[FIX] end() form & Trad FR
Merge commit '04173351ba874448787e6b1b609fa7010d499d8a'