Front-end implementing with coffeescript

use `coffee -cj script.js coffee/*.coffee` to compile the code
Page for users without javascript
Porgression bar
Installation script modifications
Change to folder /tmp/CloudPrintUpload/
Change for SESSION variables instead of POST
Put server_file_name in the $_SESSION[..] variable
Adding escapshellarg
Bug fixing
Change front-end for SESSION only variables
Little fix for localhost testing

Added a condition to fix the animation problem when upload failed < 1s
Fix the mkdir mode option
update bash
Fix JS for Charles
Compile coffee
Bug fix for multiple file SESSION
Fixed install flow

bash better error handling
no more https problems from localhost
readme update
Update README.md
Tracking of $_SESSION[files] now working correctly
Non-blocking dropbox "upload"

Few bug fixes
Now Dropbox files are uploaded at the moment they are chosen
Printing script is unified for dropbox and upload file