* unify build dir for Python and Java * enable executables auto installed when just running 'make' * fix plasma_store copy error * fix cmake error about copying executables * lint fix * recover python/setup.py * enable to copy optional file automatically * a small fix of path * lint fix * lint fix * lint fix * Add comment.
* restructure how to organize 3rd party libs * Minor whitespace changes. * Fix compilation on Linux. * Pass around Python executable so that the correct version of Python is used.