Properly sanitize filenames for uploaded files. If there are translit characters replace them first.
After that remove all characters that aren't allowed.

Fixes issues with filenames like: ,,,''"'I am*() a super 'superawesome file+with a super awesome-name“””’xxxx-.jpg
Update catalan.php

Update new strings in verions 1.4
#231 - Read page not showing relations.
#231 - Read page not showing relations.
#231 - Read page not showing relations.
#231 - Read page not showing relations.
#231 - Read page not showing relations
#233 - File upload uniqueid not unique.
Version 1.4.1
Update arabic.php

Translating list_view
Set Timepicker to 24 hour format

The slider couldn't produce p.m. time.
Merge pull request #236 from Kaabi/patch-3

Update arabic.php
Merge pull request #225 from acacha/patch-1

Update catalan.php
unset_view an alias to unset_read()
small bug fix.
change logs update.
Pull request: #228
#240 - Issues with read button.
Add new functions:
- unset_read_fields.
- set_read_fields.
#240 - Issues with read button.
Add 2 new functions:
		- unset_read_fields
		- set_read_fields
Merge pull request #237 from vlakoff/master

Set Timepicker to 24 hour format