Cleaned up Fortran implimentation of track writing and added track.py - a utility for converting binary track files to VTK files.
Cleaned up Fortran implimentation of track writing and added track.py - a utility for converting binary track files to VTK files.

mit-crpg/openmc,walshjon/openmc,walshjon/openmc,amandalund/openmc,nhorelik/openmc,samuelshaner/openmc,mit-crpg/openmc,walshjon/openmc,samuelshaner/openmc,samuelshaner/openmc,lilulu/openmc,liangjg/openmc,mit-crpg/openmc,shikhar413/openmc,smharper/openmc,johnnyliu27/openmc,paulromano/openmc,wbinventor/openmc,mjlong/openmc,wbinventor/openmc,kellyrowland/openmc,johnnyliu27/openmc,bhermanmit/cdash,sxds/opemmc,smharper/openmc,lilulu/openmc,bhermanmit/openmc,shikhar413/openmc,liangjg/openmc,amandalund/openmc,liangjg/openmc,shikhar413/openmc,bhermanmit/openmc,shenqicang/openmc,nhorelik/openmc,samuelshaner/openmc,shikhar413/openmc,paulromano/openmc,smharper/openmc,paulromano/openmc,wbinventor/openmc,mit-crpg/openmc,walshjon/openmc,liangjg/openmc,johnnyliu27/openmc,mjlong/openmc,kellyrowland/openmc,amandalund/openmc,paulromano/openmc,shenqicang/openmc,lilulu/openmc,sxds/opemmc,johnnyliu27/openmc,amandalund/openmc,wbinventor/openmc,smharper/openmc