Keep project search query
clear project search form
Fix activation mail link

Fix activation mail link (protocol)
Don't generated project background image
Don't let Money Still Needed become negative.

BB-584 #resolve
Merge pull request #471 from benkonrath/monthly-donations

Don't let Money Still Needed become negative.
Nicer refresh on project search results
Set popularity default to 0
Merge pull request #472 from gannetson/more-fixes

More fixes