Display funded percentage better in project admin.
PEP8
Don't save project twice in post_save methods.
Remove duplicate method name on post_save receiver.
Small fix for monthly donation email.
Send project team an email when project is funded.

BB-55 #resolve
Send email to monthly donors when project is full.

BB-1565 #resolve
Merge pull request #857 from benkonrath/bug-fixes

Add project_funded signal and related emails.