Bump version to 0.3.4.
Fixed compatibility with FW 3.30.
Added setting to put a custom protocol version to avoid updates.
Added notifications via libnotify on Linux.
Added AppIndicator support for GNOME 3 and Unity.
SPlitted kde and appindicator code into shared libraries to avoid
additional dependencies.
Updated debian rules to include appindicator library.
Updated japanese translations.
Use default protocol version if the saved one is less than current version number.
Updated gitignore.
Added libappindicator3-dev and kdelibs-dev as build dependency.
Downgrade to Qt4 since Qt5 5.2.0 on Ubuntu 14.04 has a bug with harbuzz and japanese characters.
Added missing kdenotifier enabler in debian rules.
Dependency cleanup