[QzTools] Added function to split arguments from command.
Fixed parsing arguments when starting external applications.

When starting external RSS readers and external download managers.
[Code] Use QString::SkipEmptyParts in QString::split.
Improved arguments parsing in external download manager.

Option to choose where exactly to put url (%d placeholder)
instead of just appending it at the end of arguments.
[Regression] Fixed restoring session with pinned tabs.

Regression from adding tabs on top feature.
Filter "QFont::setPixelSize <= 0" warning from stderr.
[AutoFill] Fixed extracting form on Twitter.com

Twitter uses multiple same forms (differing in class and id names).
Now PageFormComplter also tests occurence of username name=value pair
in sent post data.
Merge pull request #760 from srazi/master

Fixed some platform specific issues.
[QtWin] using of direct WinAPI call.
Go to fullscreen in QWindoStateChangeEvent.

It is now possible to go properly to fullscreen also from Window
Manager's actions/shortcuts.
Added possibility to select text on page with Shift+Arrow keys.

Shift+Right Arrow        => select next char
Shift+Left Arrow         => select previous char
Shift+Ctrl+Right Arrow   => select next word
Shift+Ctrl+Left Arrow    => select previous word
Shift+Home               => select start of line
Shift+End                => select end of line
Shift+Ctrl+Home          => select start of document
Shift+Ctrl+End           => select end of document
Merge pull request #761 from srazi/qtwin_work

[QtWin] using of direct WinAPI call.
Fixed crash when showing multiple notifications with Tabs On Top.
[Qt5] Fixed building with Qt5.
[Qt5] Fixed failing FormCompleter tests.
[Windows] Linking to system hunspell library
[Windows] Adjust height of AboutDialog.
Faster 'filterString()' for CookieManager.
Forgotten changes from 91c88872f8, 6a4c45c0ad and 7b3b4f9b94