Merge pull request #116 from Ansa89/italian-translation

Italian translation: add italian translation
Enable italian translation
Don't give a parent to the core QTimers

Fixes #115 (hopefully)
FIX: updated username and status message on editingFinished() instead of textEdited(). I.e. if the user presses return or the widget loses focus.
Merge pull request #119 from arneboe/master

FIX: updated username and status message on editingFinished() instead of...
improved bootstep script for linux
Update to new A/V recv callbacks
Fix audio underflows

By using a bigger buffer of 30 frames
Fix possible crashes on call cleanup
Merge branch 'upstream/master'
Merge pull request #121 from retuxx/docu

Improved bootstrap script for Linux
Initial commit for activating the file transfer button
It compiles, but is in fact untested (and requires one small new icon)
cleanup
Update README: Add Mac OSX download
Update README.md
Fixed bug the first (still needs everything tested though)
Update README.md
Symlinks to the rescue
Merge pull request #125 from fr0stycl34r/patch-1

Symlinks to the rescue
Remove username and status message from settings, instead use Core