Schemantics + Google Connect fix + lang fix

Lot of small capitalization fixes
Fixed when login via Google didn't work
Fixed a button text not being in lang file
Adding Gravatar title into language file

For consistency
After registration user is added to a default user group

+ As part of registration user is added to a default group specified in
the config file (by default new users are put into the user group).
+ CI3-dev update
+ Few lang fixes
+ Capitalization fixes
+ Minor fixes and styling all over
CI update + prep for Bootstrap 3
E-mail authentication and CI update
Merge branch 'CI3'

Conflicts:
	README.md
	application/controllers/account/Forgot_password.php