Merge pull request #90 from camilin87/kmoya-dev-branch

Kmoya dev branch merged to master branch
prefix for suggested mentors
results()[0] replaced by row()
search searches
no need for the is_test field
invitation_helper created
invite method takes the projectId parameter
getAnyProjectIdForCurrentUser method adde to invitation helper
projectId parameter added to the invite method
redundant model loading removed from user controller
invite button added to user profile view
invite_capable helper to auto bind invite buttons events created
user controller get user details test data has the invite flag
invite_capable helper used
user_invite can have the button css class specified
invite route added to display the list of current projects if multiple to invite a user
display_list_of_projects_to_invite_user implementation
some flags returned in display_list_of_projects_to_invite_user implementation
invite button in current project list if necessary
invite_capable displays the list of projects if more than one