fixes JabbR/JabbR/#873

Fixes JabbR/JabbR#873 || Rolling back errant web.config change
Merge pull request #885 from QuickenLoans/josh-waleedBranch

fixes JabbR/JabbR/#873
Don't log the user in if they're banned.
Updated flags from flag-sprites.com
Added new file upload preview

* Generic callback handler for uploads to allow different upload types
* Image preview when uploading an image
* Filename preview when uploading a non-image
* Cancel button added to upload
Removed two errant console.logs
Updated naming and added preview text

* Renamed clipboard to preview to better reflect actual
  feature
* Updated css/naming for said name changes
Merge pull request #891 from damieng/dev

Updated flags from flag-sprites.com
Change flag string length to 255 for new codes.
Add new flag codes & map gX to new codes.
Changes per David Fowler

* Refactored duplicate code into single function call
* Removed dead code
* Renamed showClipboardUpload -> showUploadPreview
Apply coding style to new flag code.
Minor refactoring

* Moved methods to general function area
* Removed UI method into a normal function
merged with index
Merge pull request #895 from damieng/dev

Add new country codes to Jabbr.
Removed double quotes
Update Travis-CI build badge after Org move
Added comment and renamed variable

* Renamed $clipboardUpload to $previewUpload
* Added comment to non-obvious $uploadCallback
Merge pull request #897 from nschonni/fix-travis-build-badge

Update Travis-CI build badge after Org move
comment formatting