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
Added fade to card drag items

[REVIEW]
Added a white mask to cards that are being dragged.

Preview: http://webmup.com/1we4W/
Merge pull request #450 from poixen/ghostcards

Added fade to card drag items
Add community resource links to README

ref #452
Permit linux/clang/qt5 build to fail