Upload files. Overwrite option. Ignore files dir.
Show attach field by clicking.
For easier search, save files as ticket then user.
Get ticket files and show them.
Fixed bug that gave fatal error if the directory didn't exist.
Download files through the view ticket page.
Show users who uploaded files.
File extension icons and descriptions. Files table formatted.
Merge branch 'refs/heads/port/upload-files' into port/development
Reenabled button tooltips.

Since the bug is "fixed".