libfftw.cmake: Generate BOTH double and single-precision float libraries.
openblas.cmake: Fixed typo in option NO_AVX=1
python.cmake: Add the python bin directory to the PATH env var in the BUILDEM_ENV_STRING.
blas.cmake: Emit a warning to indicate that OpenBLAS doesn't compile correctly on Mac.
scikit-learn.cmake: Upgraded to 0.14.1 release.
Update leveldb
opengm.cmake: Skip test step, which fails on mac. (FIXME!)
Added py2app.cmake
ilastik-gui.cmake: Mac builds require py2app
setenv_ilastik_gui: Require the caller (or sourcer) to specify BUILDEM_DIR beforehand.
README: Removed ilastik-specific dependency details from the general system dependency list and added a new section for this information at the bottom of the document.
Merge branch 'master' of https://github.com/janelia-flyem/buildem