reimplemented insert chat line function: every line in own table
bug in file transfer widget displaying fix
Italian translation: update
Merge pull request #398 from Ansa89/italian-translation

Italian translation: update
Merge pull request #395 from apprb/chat

Reduction of CPU usage on new message insert
Update french translation
Update Polish translation
Merge commit 'refs/pull/399/head' of https://github.com/tux3/qTox
css styles for mainHead and mainContent in widget.cpp

fixes problems with ugly UI on non-standard system theme.
before: https://i.imgur.com/XJ0mbpi.png
after: https://imgur.com/a/UbgNz
debian: Exclude libs from source package
Try to link opencv statically in linux packages
add ringtone (not well done, but still better than status quo)
Add initial Pirate translation
Merge pull request #407 from zetok/translation-pirate

Add initial Pirate translation
Embed pirate translation
Merge pull request #404 from dubslow/ringtone

add ringtone (not well done, but still better than status quo)