Fixing a broken link for the Ajax-loader.gif

the call to preload Ajax-loader.gif used a CF variable, which doens't work in a JavaScript file, and was causing Mura Admin to hang on 1 of my sites.
Update admin.min.js
Merge pull request #1336 from southofshasta/Broken_Ajax_Loader

Broken ajax loader
Adding utf header
Adding utf header
Fixing issue with getResponseSendTo
Fixing issue with form emails having cfformprotect data
Fixing issue with feed param data type lookups
Adding mura directory restriction back in
Add catch for exif statement
Working on form validations
Fixing issue with char datatype
Another fix for issue #1347
Another fix for issue #1347
Fixing issue with setting 12pm