Revamp using angular material framework

[syamp]

• Add ability to discover metrics/tags using autocomplete.
• Add ability to bookmark saved queries to local storage.

[syamp]

@drcapulet @Nathan-Fenner

A lot of cleanup is pending (embed might be broken now) but good for first review.

No actual changes in autocom.js (jsbeautified)

[Nathan-Fenner]

Updated to fix merge conflict.

[syamp]

I will reopen, i messed up a merge