Reworked the styling UI. Now there are 4 options: light, dark, custom_light, and custom_dark. Things don't quite work right, but the proof-of-concept is done.

Further styling changes to the outdoor stylesheet. The indoor sheet was modified as inline styles are removed from the C++ code.

Some .ui files still pointed to an old mavground.qrc file. They now point to the proper qgroundcontrol.qrc file.

Removed commented-out references to setStyleSheet(). Moving towards all styles being set in .css files

Changes for new calibration in APM 3.0 (Re: https://github.com/diydrones/MissionPlanner/issues/38), and change in some of the serial timeouts

Change so Waypoints are the same across maps, and offline waypoints get appeneded to the end of the MAV's waypoint list on connect

Fix for crash when removing item from QuickView, and addition of more generic signal/slot combonation for property updates

Added satelliteCount to the QuickView, and made quickview a default display on the mission planner view.

Change so mission view is default instead of unconnected, fixing a bug causing misloading of tool widgets

Additions for View navigation, including saving dockwidget locations and status. Also added remembering of "Advanced Mode" between restarts of QGC