Version: Push manifest to trigger update to clients.
Make sure the Waypoint is fully constructed before firing waypointEditableChanged
Basic Tuning: Add RC Feel as a slider to adjust.
Linux: fixed compilation errors in Ubuntu 14.04
Windows: Fixed Windows compilation error caused by #322
COMMS: Update link objects to use new LinkInterface definition
BUILD: Add new dependency on QSignalSpy in TCPLink
APMToolBar: Update to use new getConnectionSpeed() API
QGC Log Player: Update to use new LinkInterface API
UAS: Updated the UASInterface API to align more with QGC.

This helps with supporting changes to common widgets and HIL simulation
PFD Widget: Updates to new UASInterface API
UAS: Update PxQuad to new UASInterface API
Map Widget: Update to use new AMSL & Relative Alt APIs
3DMap Widget: Update to use AMSL & Relative Alt APIs
Mission Widget: Update to use AMSL & Relative Alt APIs
Configuration: Set the GCS sys is to be 253 to identify logs from AP2
HIL Config: Update to use new HIL API in UASInterface.
Map Tool Widget: Fix to use new UASInterface API
Merge remote-tracking branch 'upstream/master' into 274
Documentation: Fix #237, brought README.md up to date for building AP2 in windows