* Fix the bug that 100% volume cannot be used.
* Make AudioDevice::setVolume() accept real volume rather than percent and make all backends consistent.
* Set the maximal volume of the alsa devices to 100.
Set proper default value for sysstat plugin to turn on cpu monitoring by default.
Refactor lxqt taskbar plugin and made using more than 1 taskbar possible.
Taskbar buttons manual ordering
Delete invalid slot.
Always use percentage (0-100) for the volume of audio devices.
Replace Qt5 only API QWidget::grab() with QWidget::render() when compiled with Qt4.
Do not activate the panel on mouse click. This closes lxde/lxde-qt bug # 161.
Fix incorrect _NET_WM_STRUT settings under multi-head environment.
Use the edge of the whole screen instead of that of individual monitors when setting strut as specified in the xdg EWMH spec.
* Force re-creation of the panel window when screen count is changed to workaround Qt bug 40681.
* Fix lxde/lxde-qt bug #204, #205, and fix incorrect WM_STRUT & WM_STRUT_PARTIAL X window properties.
* Workaround for Qt 5 bug #40681 by monitoring QScreen::destroyed() and re-create affected panels manually.
* This closes lxde/lxde-qt bug #204, #205, and #206 at the same time.
* Store the result of QX11Info::display() and avoid repeated calls to the methods.
  (When called during the primary screen being destroyed, QX11Info::display() crashes.)
Fix incorrect handling of work area and WM_STRUT which cause incorrect popup menu places.
Commit from LXDE Pootle server by user psokol.: 16 of 32 strings translated (0 need review).
Commit from LXDE Pootle server by user dforsi.: 57 of 57 strings translated (0 need review).
Removes "Set from theme" panel size button

It's not implemented. It puzzles the user.
Adapts to the new libqtxdg XdgMimeType class