Indent / Outdent

Add indent / outdent buttons.
fixed spaces, tabs
Update indent/outdent test
Update textAngularSetup.js
Indent / Outdent
Update textAngularSetup.js
Merge pull request #1 from enkodellc/patch-3

Indent / Outdent
Indent / Outdent
Update for Indent/Outdent
Merge pull request #182 from enkodellc/patch-1

Add Indent and Outdent buttons to toolbar.
feat(textAngular) change serial to allow it to be set manually

Allows you to set the post-fix of the generated html and text editors of text angular.

Closes #175
chore(README) Fix notes about sanitize modules

chore(README) Fix notes about sanitize modules

There was confusion about `textAngular-sanitize.js` vs `angular-sanitize.js` hopefully this should be cleared up now.