Conflicts:
	src/css/bootstrap.dark.min.css
	src/css/bootstrap.light.min.css
	src/css/default.min.css

Dashboard: Panel error are less intrusive, panel error bar replaced with small indicator, hover for short details, click to open inspector, Closes #681

Use svg instead of png to get better image quality

make CI build faster

began work on inspection console to visualize metric requests, and other useful troubleshooting info and inspection

Moved css files, removed generated css files from source control, consolidated (concat) css more, now only two css files, dark and light

Merge branch 'cleanup-generated-files' of github.com:clkao/grafana into clkao-cleanup-generated-files

- a complete fix with a consistent support of alias in all use cases is not obvious (see #660 for explanations)

Fix release build rules following 23c9f973 and #659