Adding Eddie's Mac builds README.  Updated with my experiences building in 01/13.
Merge branch 'master' of https://github.com/asfadmin/ASF_MapReady
Renamed the Mac README since it is not a readme that should be released.
First pass at side by side viewing

Day of innovation stuff.  Keyboard shortcuts are "1" "2" and "4"
Also added new shortcuts for "home" (=) and "end" (0)