angular.js 1.2.13 and updating other 1.2.x versions with proper minified js and map files

All of the files in this commit (except for the minified css) were downloaded from http://code.angularjs.org/. Versions 1.2.11 - 1.2.13 are new. Versions 1.2.0rc1 - 1.2.9 were updated with the correct minified files and map files.