The Condor drmaa library now uses the Apache license.

That is the only difference between versions 1.6 and 1.6.1 in our
externals repository.
Build the drmaa library on Mac.
We now have a formal document describing the EC2 GAHP protocol.
Merge branch 'V8_0-branch' into V8_1_4-branch

Conflicts:
	build/cmake/CondorConfigure.cmake
Add new GCE attributes to list of all job attributes.