Add Patternfly styling for progress-bar

Bootstrap has a progress bar but Patternfly hasn't styled it in the
flatter style.  The colors come from here:

https://www.patternfly.org/visual-styles/

Adding initial cut of official progress bar styling

Renaming .progress-label to .progress-description
Adding spinner
Adding typography layout
Adding Bootstrap Tree View, misc cleanup

* Adding Bootstrap Tree View widget
* Removing orphaned LESS files
* Making sidebar nav spacing consistent regardless of nav style
* Updating accordion text
* Updating documentation source for Bootstrap-select
Correcting order of layout links
Adding search
Label cleanup
Tab revisions
Adding html comment about nested tabs
Adjusting modal grid so labels don't wrap
Adding note about IE8 and IE9 requirements for spinners
Correcting alphabetization.
Breadcrumb bug fix for IE8
Moving note about IE8 underneath tree view widget.
Bug fix to make search btn-sm consistent across browsers
Updating version number to 1.0.0
Increasing tree view icon sizes to improve display on Windows
Updating dependencies to latest versions
Adding note about also updating version in package.json