client, brainstorming page: use bootstrap classes
Merge branch 'master' of github.com:atizo/braindump
fix typos
Merge branch 'master' of github.com:atizo/braindump

Conflicts:
	client/app/static/views/brainstorming.html
masonry(-brick): implement layouting in columns
Merge branch 'master' of github.com:atizo/braindump