Add initial unit tests for cycpp
added initfrom copy-like function
Merge branch 'pp_temp' into pp
Merge pull request #775 from rakhimov/pp

Preproc. Unit Tests
added high level primitives and cycns, added initfromdb for POD
infiletodb added for pods, added a pod-types-to-cyclus-names used global map
updated infiletodb to match updated infiletree api
Unit tests for pass 1 filters.
class filter
Merge branch 'pp' of github.com:cyclus/cyclus into pp
schema for PODs
fixed bug in supers collection and add parent intersection helpers
houston, we have inheritance