Add PACKET_BUNDLES environment variable
Fix doumentation build process
Remove 'include/' directory

Fix python imports in SConscripts

Remove and/or simplify most remaining SENFSCons stuff

Fix CompileCheck failure

Add doclib/doxygen.sh dependency to documentation build
Fix doclib/doxygen.sh shell (bash instead of sh)

Utils/Console: Catch exceptions when closing client
PPI: Add throttle tracing
PPI: Fix Event and IOEvent throttling