Added global define for application name
Made several reoccurring strings into application constants and altered any static strings containing them to use these constants in string format calls.
Added the _initTranslationGlobals function to bind PHP globals to javascript vars for dynamic translation purposes
Added several global constants for reoccurring strings in Airtime to aid dynamic translations
Replaced reoccurring strings with string formatting to aid dynamic translations
Changed tabs to spaces
Merged 2.5.x into saas