Organized Folders, Themed uploads

Theme changes:
Put template on all of upload.html, and upload.php
Moved proccessImages to upload.php and delted proccess
Added percentage calculation when proccessing images

DropZone preview has been moved
Locked continue button, and color coded it according to when it is ready
Allows choosing existing album, or creating a new one,
Will clear new album if a choose album is selected
Added overall loading bar for upload files. - Glitchy is a problem with
drop zone not me.

Uploading:
Changed the algorithm to create random file name. (When lots of file
uploaded at same time there is a high probability of collision)