Naive status page.
Merge branch 'master' into feature/webui
Sorted output of GetTimestampedMetricFamilies.
Add a WebUI to look at and delete pushed metrics.

This is still served from local files. Embedding those files into the
binary will follow.
Merge branch 'master' into feature/webui
Tweak Makefile, build info, readme.
Embed resource files.
Added license text everywhere.
Improvements after code review.
Merge pull request #5 from prometheus/feature/webui

Feature/webui