Cards Scale with mouse over action

Cards now scale up by 10% when mouse over.
QT_VERSION check now checks for correct version

Feature is only included in Qt 5.3+
Merge branch 'master' into newsearchbar
Merge branch 'master' into newsearchbar
Merge pull request #440 from poixen/newsearchbar

QT_VERSION check now checks for correct version
Merge pull request #433 from poixen/scalecards

Cards Scale with mouse over action