fix josnrpc api : hub.getusers
QTGUI:
	add mediainfo in separate column
Qt UI: small improvements for 089fcee.
Qt UI: small code refactoring
CLI: filelist operations such as open, close, list, dir and so. TODO
updated
Merge branch '2.3.x' of github.com:eiskaltdcpp/eiskaltdcpp into 2.3.x
Core:
  Add parse tags TS and HIT in filelists

Gtk Ui, Qt Ui, Daemon:
  Add show TS and HIT tags in filelists

Qt Ui:
  Filter empty tags in media info tooltip
QtUi:
 hide added column in left pane
Qt UI: fix for 0789c0b.
Translations were updated from Transifex.
Update translations.
Translations were updated from Transifex.
Qt UI: fix non-Ascii characters after f256cd8.
Qt UI: small additional fix for 39f09e1.
Tests: update scripts for Travis CI

Fix build with Qt5 and Clang >= 3.4.
Merge branch 'master' of https://github.com/eiskaltdcpp/eiskaltdcpp