fix for dagmciface problem
Merge pull request #321 from makeclean/jrcary_fix

fix for dagmciface problem
Adding working example of adding a double tag.
Add README
Fix some ReST syntax
First compiling version of hzetrn paths
Add debug to Makefile
* switch to CartVect
* add some debugging
* make sure to update curent point
* try to get material name
Add correct metadata handling and modularize.
set density rather than placeholder
set defaults for mat and density
Add ability to read directions from file.
First compiling version of hzetrn paths
Work to create a cmake build for hzetrn
CMake build works
Pseudo up to cross_sections
ray loop started
More python-ey
Add random tuple generator