first draft of logo icon
fix video height
removing unused code
Merge branch 'develop' into feature/VOV-2810/link-back-to-avalon-in-player

Conflicts:
	Gemfile
logo tool tip and url to section
adding media element logo plugin
Merge pull request #349 from atomical/feature/VOV-2810/link-back-to-avalon-in-player

first draft of logo icon