Merge pull request #4 from numenta/master

merge numenta:master@HEAD
Distribute column over inputs uniformly in mapPotential
Remove old test
remove dependency on doxypy, fixes #78
Merge pull request #79 from utensil/78-remove-doxypy

Remove dependency on doxypy, fixes #78
Merge pull request #75 from chetan51/issue-73

Distribute column over inputs uniformly in mapPotential
Merge https://github.com/numenta/nupic.core into issue-69-source-file-renaming