v1.5 - Colors, Alert Box, Fixes, and Shortcodes

Changes:
- User based media files
- Alert box on the home page (with ADMIN CONTROL)
- Custom color styling throughout all themes
- New theme (RIV)
- VL Sidebars (custom widgets created)
- Vimeo Shortcode system
- New Sort Options (Teachers/Activities)

Fixes:
- Slideshow preview
- Global_nav image load
- Code refactoring

Signed-off-by: mtaddei2 <mtaddei2@fairfieldschools.org>