added file icons in issue page, reject whitespace-only attachment title
Merge remote-tracking branch 'remotes/udi/master'
fixes to sprint1, file icons
updated permissions
change margin of paragraphs in meeting protocol
fixes to templates to work with new permissions, fixed available_issues
removed extra margins from p in emails. set board permissions to 'participant'
updated file icons
file icons
Merge remote-tracking branch 'remotes/udi/master'

Conflicts:
	src/issues/templates/issues/proposal_detail.html
Merge branch 'master' of https://github.com/amir99/OpenCommunity