- fixed post update include and added it to project and opportunity
Merge branch 'master' of https://github.com/reallocate/reallocate

Conflicts:
	website/templates/project.html
- converted engage_modal to bootstrap 3
- added post update to project
- converted sign_up js validation to bootstrap 3
- resolving conflicts
Merge branch 'master' of https://github.com/reallocate/reallocate

Conflicts:
	website/static/css/main.css
	website/templates/sign_up.html
	website/templates/theme/top_nav.html