Add grid view for albums by artist.

A start for the album grid view. Needs to add artist name in album view
and tweak UI.
Change column back to original ordering.
Clean up lines.
Fix displaying songs in album.
Add albums by artist from clicking on artist.
Merge branch 'master' of github.com:bw-vbnm/acoustics2web into bw-vbnm-master

Conflicts:
	beats.html
	beats.js
Fix typo.
Tweak album spacing.
Fix code style.
Merge branch 'master' of github.com:acm-uiuc/acoustics2web

Conflicts:
	beats.html
Fix list columns.