Added acta webapp for default branding
Removed unwanted files
Removed branding images and css from NYC webapp
Added NYC webapp overlay to ACTA webapp
Removed MTA specific images and updated their references
Moved MTA specific text to properties file. Added code to load text and hyperlinks from properties file
Modified acta webapp pom
Added eclipse-only profile so that acta webapp can be started from eclipse.
Merged branding work to master for OBANYC-822