Squashed 'moose-core/' changes from bda97426c8..0c33b2c333

0c33b2c333 remove setup.py. It has been renamed to setup.cmake.py to avoid confusion. This file is to be used only by cmake.
079730d06d Added missing package data.
59d374fa48 removed deprecated setup.py file.
9d3f7439f6 Merge remote-tracking branch 'origin/chamcham'
28ded4be72 matplotlib is not essential dependencies in tests or in any moose import. If NSDF support is not found, do not fail the test.
b7294b2814 More informative message if plot utilities are not loaded.
4678f1a263 Merge branch 'master' of github.com:BhallaLab/moose-core
667a3d254f more detailed error message if neuroml2 import fails.
5d504a5a1e Merge branch 'master' of https://github.com/BhallaLab/moose-core
c5c5854fe8 Added extra args to setup.py.
07f19011c8 install using debian layout.
0c3c2b7416 Merge pull request #249 from dilawar/master
03951bd314 When build in DEBUG mode, we never go to negative values in this test script. This causes test to fail on some unix platform in DEB...