Refactor sendOutbidMail
delete files
Implement sendOutBid mail
remove legacy code
Remove unnecessary code from LoanFinalArrear
Refactor sendLenderInvite
remove old blade tempalte
add LenderMailer::sendWelcomeMail
Remove sendIntroductionMail  from joinLender

Since, we use only have to send it after 24 hour of join, we have a
schedule job for it
Refactor LenderMailer::sendIntroductionMail
Refactor sendLoanDefaultedMail
Test sendExpiredLoanMail
Refactor sendExpiredLoanWithLenderInviteCreditMail
Refactor sendUnusedFundsNotification
Implement sendLoanAboutToExpireMail
Merge pull request #264 from SingularityGuy/LenderMailer

Lender mailer