Add support of "onlogin" for facebook login button
Improved documentation
#254 Removed wrong line from documentation

Signed-off-by: Daniel Ribeiro <drgomesp@gmail.com>
Merge pull request #260 from drgomesp/master

Removed wrong line on FOSUserBundle integration docs
Update composer.json to allow Symfony 2.3

cf. issue #258
Merge pull request #262 from Spone/patch-1

Update composer.json to allow Symfony 2.3
Updated to remove error in symfony 2.3
Minor formatting and typo fixes to the docs
Merge pull request #266 from jbafford/documentation-edits

Minor formatting and typo fixes to the docs
Merge pull request #265 from adityapatadia/master

Removed error raised because of deprecated method isProxyTrusted()
Merge pull request #259 from Rodsevich/master

Changes on documentation
preparing the next version
Facebook button changed to html 5 button.
Facebook button changed to html 5 button.
Facebook button changed to html 5 button.
Data attribute added to parameters.
Add support of "onlogin" for facebook login button

With "onlogin" you can specify an action to do once the user is logged in.
Merge pull request #268 from adityapatadia/master

Facebook login button changed to html 5 button
Merge pull request #269 from walane/patch-1

Add support of "onlogin" for facebook login button
Updating the docs for 1.2