Merge pull request #1027 from mrmr1993/dataURIs

Handle data: URIs as a chrome prefix
Line length
Add openlinks in foreground mode and fix #1035
Recognise <ctrl> key in LinkHints
Fix typo
Remove nonfiring code (which would have caused unexpected behaviour)
Remove additional unnecessary checks
Merge branch 'openLinkInFGTab'

Conflicts:
	background_scripts/commands.coffee
	content_scripts/link_hints.coffee
	lib/dom_utils.coffee
	lib/keyboard_utils.coffee