Added correct handling of urls in ContactInfo dialog

Also added full-size avatar preview by tooltip in ContactInfo dialog
Added basic Qt5 support

libqutim and qutim executable are now buildable by Qt5
One more step for Qt5 support

Now new plugin system must be reconsidered
Added Q_PLUGIN_METADATA to all generated plugins
Added forgotten files
Changed destination property to destinationDirectory
Added QT_PLUGIN_METADATA macro to all corelayer plugins
Added jabber protocol to build
init qt5
jabber to qt5
Merge pull request #211 from trett/qt5

Qt5
Added icons support

Attention: QXdg submodule was moved to GitHub
Don't forget to call git submodule sync
ICQ and IRC are ported to Qt5
Fixed resources installation
Fixed system recognition

Added support for Windows 8 and 8.1
Fixed resource installation
Fixed dbusnotification plugin
autopaster, autoreply, antispam to qt5
[qt5] birthdayremainder, clconf
[qt5] emoedit, highlighter