added Flask.mail support
added email.html
Small tweaks
Added 3 md files and tweaks
Removed unnecessary files
Added empty line at the end of file
Removed three lines from .md files about license
Removed exception for sendmail
modified g.user.username to g.user.fullname in template
added sender parameter to send_email
proposal.user.email or proposal.email modification
Merge pull request #30 from hasgeek/develop

Develop