#218 - Change backend to allow users to request feedback from multiple users
#218 - Fix 'request feedback' form UI to describe multiple email input
added test to check for existing invitations
fixed issues with flash in invitations_contoller showing up improperly
Use invitation validation error messages in controller
refactored validations for invitations and removed @example.com emails
Merge pull request #66 from bsmith3541/multipleEmail

refactored validation for invitations
updated UserMailer to send notifications to coaches when new feedback is submitted
Merge pull request #68 from bsmith3541/sendFeedbackNotificationsToCoach

updated UserMailer to send notifications to coaches when new feedback is...
#199 - hide blank feedbacks in feedback summary page
Merge pull request #67 from ajablonski/hideEmptyFeedback

#199 - hide blank feedbacks in feedback summary page
#347 - Change insertion in mailers to user raw value
Merge pull request #69 from ajablonski/sanitizeMailer

#347 - Sanitize text in ActionMailer views
#335 - Remove send_link date from view, model, database
Merge pull request #70 from ajablonski/removeSendLinkDate

#335 - Remove send_link date from view, model, database