fake lender using methods

LenderService::joinLender used
use joinLender method in joinFacebookLender
use joinLender method in LenderService::joinFacebookLender
small fix
set LastLoginAt when Logins
put flash messages in text file for validateConnectingFacebookUser
put flash messages in lang file for validateConnectingGoogleUser
move flash message texts to lang file for LenderJoinController

Put all the flash messages from LenderJoinController in
lender/join.flash and refactor method to remove unnecessary lines
fix sendWelcomeMail
add sendWelcomeMail to LenderMailerTester
add terms and condition checkbox in join form
small fix
small fixes
Merge pull request #133 from SingularityGuy/feature/Lender-join

Feature/lender join