Updated to rails 4.2.0
Updated timezone for forum to use Eastern Time Zone, closes myapnea/www_myapnea_org#179.
Updated to ruby 2.2.0
Set the relative root, if it exists, in development and production environments
Add `/usr/local/bin` to path in production for use with ImageMagick
Background HTC is now properly included in the Rails Asset Pipeline, closes myapnea/www_myapnea_org#173.
Cleaned up CSS and removed production.scss, closes myapnea/www_myapnea_org#157.
Merge branch '3-0-tech-updates' into 3-0-stable