chore(bower.json) create IE8 bower.json and one for latest versions
chore(app.js) create IE8 version in cuts dir
chore(IE8) add seperate bower.json app.js indix.html for IE8
feat(winshim) upgrade to 1.15.4 version of winshim library
chore(module MainApp) change include order of ui components
feat(spacebar trap) add functions to allow execution like enter key
feat(ARIA keyboard nav) change Bootstrap attributes for ARIA behavior
feat(ui-router) utilize state change ability
feat(ARIA colors): change background color of navbar-btn
feat(ARIA keyboard): implemented invoke on spacebar press
Merge branch 'develop'