Removed ul classes (not used anywhere).
Removed (unused) styling on file input element.
Moved jumbotron refinement to single point of use.  Removed .jumbotron > .description rule
Moved title class to single point of use.
Removed (unused) placard class
Removed gmap class (not used anywhere, matching the rules written in tangelo.css).
Removed popover-expand class (unused)
Removed pointer class; replaced usage of pointer class with style directive.
Removed navbar-fixed-top class refinement; using explicit style directive at single point of use.
Removing arbitrary whitening of background color.
Removed btn class refinement rule (too authoritarian for inclusion in top-level css file).
Fixing problem with navbar branding.
Replacing control panel CSS with inline style/JS solutions.
Moved "spinning" class to point of single use.
Fixed issue with google map controls not displaying correctly.
Detaching bootswatch theme from tangelo.css.

Closes #142.
Moved centered class to its single point of use; replaced its use in control panel with simpler style directive.
Better format for text on example index page.
Restoring icon placement css rule to ssci app (lost from tangelo.css in commit 60096bede4a5a572c7549705482a254aed09cc9b).
Moved link color rule into top-level pages where we wanted a blue/green color scheme.