General: Fix for refresh icon in IE browsers, Fixes #657
added coveralls badge
Annotation: filter field is not interpreting in elasticsearch query, Fixes #661
fix #660 by checking if options is undefined

- a complete fix with a consistent support of alias in all use cases is not obvious (see #660 for explanations)
updated changelog for PR #666, Closes #660
Cleanup legend value by using css content
Merge branch 'master' into develop
Merge branch 'cleanup-generated-files' of github.com:clkao/grafana into clkao-cleanup-generated-files
Moved css files, removed generated css files from source control, consolidated (concat) css more, now only two css files, dark and light
began work on inspection console to visualize metric requests, and other useful troubleshooting info and inspection
Merge remote-tracking branch 'origin/master' into er.mohw

Conflicts:
	src/index.html