working on coordinate extractor
first version of coordinate extractor working
cleaning up
Merge branch 'master' into coordinate_extractor
small random forest documentation fixes
Improved libpython search. Now works inside a virtualenv, too.

1. Use HINTS instead of PATHS (other than PATHS, HINTS are searched
   before the system defaults)
2. Searching the default paths, too. Required inside a virtualenv.
Merge branch 'master' into coordinate_extractor
resolved variable naming issue
resolved variable naming issue