Added documentation for the Intl component#2312

Merged

weaverryan merged 4 commits intosymfony:masterfrom

Apr 30, 2013

Commits on Apr 5, 2013

Commits on Apr 11, 2013

Improved Intl documentation based on the PR comments
webmozart
committed

Commits on Apr 28, 2013

Added a sidebar about potential deployment problems with ICU
webmozart
committed