basic origen22.xslibs function
added test for origen22.xslibs
working tape9 generation cli
removed impossible nuclide from origen sets
adds gsoc templates
adds gsoc to index and modifies template to be a real template.
Merge branch 'staging' into gsoc
adds a tentative description of the experimental data project
adjusts toc depth
prereq is plural
changed num_density_to_mesh to take the readlines() from alara output so all processing can be done in memory with system calls rather than writing output to a file then rereading it.
added duck typing support, now files or lists
Merge pull request #301 from katyhuff/gsoc

GSoC... merging my own pr... with permission.
resorted to popping with most of the previous structure intact. ready for a review, @scopatz.
Merge pull request #293 from scopatz/t9

Cross Section Generation for TAPE9
Merge branch 'alara_inmem' of https://github.com/gidden/pyne into gidden-alara_inmem