cleanup mkdir usage with boost filesystem:
Replaced copy/pasted code and MKDIR_TAKES_ONE_ARG #ifdefswith portable boost filesystem path and directory creation.
Gets the correct home directory on windows systems: APPDATA.Replaces large amounts of copypasta with single lines of code....
Major Makefile.am housecleaning. Passes distcheck.
Move all occurrences of swig_built_sources out of Makefile.am's.Move all SWIG related use of BUILT_SOURCES out of Makefile.am's.Clean up 'if PYTHON' conditionalization in gr-*
Still left to do: fix Makefile.swig CLEANFILES and no_dist_files...
Consistently use TESTS += in conditionals
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