- manages QT and ARM toolchain installation on Linux
- manages OpenOCD build and installation on Linux
- downloaded install packages are placed in <top>/downloads
- defaults tool installs to be under <top>/tools directory
- builds both the GCS and the openpilot firmware
- build targets to regenerate the UAVObjects synthetic files
- builds are placed in <top>/builds
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@596 ebee16cc-31ac-478f-84a7-5cbb03baadba
