Merge pull request #9 from scopatz/fbuild

first attempt at building AHOT
Merge pull request #10 from scopatz/fbuild

More Fbuild
Added broken cmake f2py macro
somewhat working f2py
ahot is importable
added some comments
Merge pull request #11 from scopatz/f2py

F2py
Cleaned up ahot, got ahot interface linked
Added ahot example in nosetests
updated example doccumentation
Updated example.  Fixed tab-spacing issue, and added better doccumentation/example folder.  See pyne/src/ahot/ahot_example/readme
Updated ahot nosetests
Fixed missing readme file
Removed redundant DGFEM_Source
Updated sct-step invar and solvar modules to match variable dimensions to now standard source/invar and source/solvar.  Primarily for file consolidation.
Added python callback, fixed fortran memory leaks (only applies for repeated usage of solvers in same session) and various other changes
More memory clean up, xs broken array option now stops rather than segmentation faulting, full nosetests added, etc
Moved ahot example to proper directory
Cleaned up code, fixed xs input array data issue and other minor things
Intermediate sct-step implementation commit