Ignored flat-ui-pro folder.

Didn’t want to check private/purchased assets into public repo.
Added styles.

Added min.max size for fluid container (for responsive app).  Added top
margin to default header (visual, to separate nabber).  Rounded corners
of bottom menu in footer.
Removed unnecessary div.
Stubbed footer using Flat UI bottom-menu component.
Added Flat UI css/js and removed conflicts.
Added div with fluid-container class for responsive layout.
Added simple navbar.
Merge branch 'flat-ui-integration' into develop