Merge branch 'master' of https://github.com/matecat/MateCat

MateCAT v.0.5.8 released

Fixed Offline Page

Matecat Upgrade v0.5.7

Conflicts:
	lib/Model/FilesStorage.php

Merge branch 'develop'

Updated Version 0.5.5

Removed checkbox for pre-translations, not implemented yet.

Update matecat.sql

Upgrade Version 0.4.2.4

Sostituire "Support" con "User Guide" in tutti i link di sito e tool