APP-310 progress

Added green util-class in CSS.
Added RPCs to liking and unliking posts.
Merge branch 'master' of github.com:mondora/mnd-website into APP-310
added unstyled share buttons in post
edited styles od top buttons
Merge branch 'master' into APP-310
Merge branch 'APP-310' of github.com:mondora/mnd-website into APP-310
Merge branch 'APP-308' into APP-310

Conflicts:
	app/utils.scss