Fixed capitalization of bbox files in core.pro
added $$PWD prefix to some of the relative paths to fix out of source builds
Added renderable protocol to draw 3D objects from proto messages
Added comments
Hardened protobuf server to prepare it to recieve longer and more
frequent messages.
Added calls in protobuf server to handle renderable message
Added class to render renderable protos
Merge remote-tracking branch 'curg/refactoring_bci_experiment_rpcz' into refactoring_bci_experiment_rpcz
Merge branch 'refactoring_bci_experiment_rpcz' of github.com:jon-weisz/graspit_bci into jon-weisz-refactoring_bci_experiment_rpcz
fixed protobuf server to work correctly with graspit_python_node proto server