[Security] Add host option#3454

Merged

weaverryan merged 5 commits intosymfony:2.4from

ghostika:security-patch

Jan 21, 2014

Commits on Jan 9, 2014

Commits on Jan 11, 2014

Add versionadded tag to security config reference, reference cookbok entry in book
ghostika
committed
remove versionadded from book and fix words
ghostika
committed