Merge pull request #3 from pushparaj-obl/beta

Changes in Facebook Library, Added Google Plus library
Other changes

changes in the OBLLog file.
changes in OBLFacebookLogin class
Merge branch 'beta' of github.com:ObjectLounge/SocialPluginsiOS into beta
Other changes

In Library folder
Chnges in OBLFacebookLogin

removed code for getting main queue
Initial commit

Facebook Library readMe
Final Facebook library commit
Changes in Controller code.
Merge branch 'beta' of github.com:pushparaj-obl/SocialPluginsiOS into beta
change
OBLFacebookLogin file changed

added handler option for FBSessionStateClosed
Merge branch 'beta' of github.com:pushparaj-obl/SocialPluginsiOS into beta