Update itIT
Merge pull request #799 from TheVikingWarrior/patch-4

Update itIT
pull in piwik code from v2 instead & turn it on for now to test
make analytics aware of build #'s
remove extra lib that was added for the old piwik implementation
fix line endings in italian translation
CHANGED: cleaned MCInstaller

 * added downloadToFile (URL url, File file, int attempts)
 * adapt MCInstaller to use new downloadToFile()
CHANGED: ModManager: minor rework

 * WIP
 * TODOs, WTFs
FIXED: fixed #792

 * WIP
FIXED: #792

 * fixed new NPE
 * still not perfect. ModpackPane fetches image with file:// URI, need more hacks to support files in /res/
 * Where will be default images saved?
 * Do we really need to copy default image into every pack dir?