added boundary checks and function like mcnp chkcel
added protoype for check_vol
check for particle location during tracking
added boundary checks and function like mcnp chkcel
added protoype for check_vol
check for particle location during tracking
Merge branch 'tracking_modifications' of https://github.com/svalinn/DAGMC into tracking_modifications
removed lkfxwr reference from make file
added lkfxwr to fluka_funcs as f_looklost, this is what fluka calls when particle is lost
modified header for new function f_lostlook
tracking changes
Adding working example of adding a double tag.
Add README
Merge pull request #293 from gonuke/dagmc_tag_eg

Adds an example of adding a simple tag
Fix some ReST syntax
More ReST fixes
missing make restored
Added sample output.
Add comment about example output.
Merge pull request #294 from gonuke/add_tag_example_result

Add tag example result