Put build copies in their proper place

- DLL copying belongs in qgroundcontrol.pro, not qupdate.pro
- Turn on link time code generation for better (global) optimization
Fix copy target for release build
Revert to original target name in win32 build
Fix crash under Windows invoking the APM autopilot

- APM resources were not installed
Merge pull request #382 from jean-m-cyr/config

Miscellaneous Windows QGC build fixes.. including APM crash fix