Creating an option to avoid be redirect to facebook login
Lazy start the session. Refs #179
Fixed bad state persistence
Fix default state value
Add trustProxy configuration
Rollback file permissions
Removing LogoutHandler

LogoutHandler it's useless to deal with the logout for Facebook apps.
It's better to do it using the Javascript SDK (Facebook JS-SDK)
Update README.md
Fix coding standards
Fix code convention (PSR2)
Merge branch 'master' of github.com:FriendsOfSymfony/FOSFacebookBundle

Conflicts:
	README.md
Merge branch 'patch-1' of https://github.com/alexlbr/FOSFacebookBundle into alexlbr-patch-1

Conflicts:
	README.md
Updating the javascript`s example

This update will make all examples of Facebook SDK equals.
Merge pull request #220 from diegoholiveira/master

Merging the PR #208
Fixing documentation
Fixing the javascripts examples.
Adding information about minimum stability on composer.
Update README.md

Fixed a bug in documentation about chain provider
Merge pull request #223 from garak/patch-1

Update README.md
Full customization of facebook login button supported