Build: Remove OSG from QT5 OSX build
Build: Add QtQuick.2 libs to OSX build
Update to reflect move to Qt5.2.1 (or greater)
Droneshare: Add info dialog about service on startup
configuration: update version to object to 2.0.15-rc2
configuration: update JSON object for new 2.0.15-rc2 builds
Docs: updated README.md to reflect linux dependancy requirements for building AP2