Don't bulk add all /usr folders for includes or libs.
This causes problems for some systems with Qt5 and Qt4 installed (like Fedora 20).
Removed unused variables from QGCExternalLibs.pri.
Fix the advanced checkbox in the RC Config portion of the vehicle config.
Remove non-existent signal connection from IncrementalPlot.
I don't think it's needed anywhere in QGC since this has been a bug for a long time.
Limit libxbee support on Linux to 32-bit builds.
Our included make file doesn't build for 64-bit.
We actually need better selection on Windows and Linux platforms for building 32-bit or 64-bit versions.
Merge pull request #775 from Susurrus/various_Fixes

Various fixes