found a missing header that wasn't included
removed an erroneous header include
removed markets from rng schema
trivial converter now returns the resource's quantity
added an AddCapacity interface and some logging to help with debugging
updated tests for correct notion of unit capacities
added a PopBack method to the resource buffer interface to access the youngest item. This functionality is needed by the BatchReactor to guarantee that all oldest resources have a batch_size for thier quantity.
found a missing header that wasn't included
changed popback to simply pop with a flag
adds flag to res buffer Pop method to indicate from front or back
remove this header once and for all
removed transaction.h from header files.. not sure how it stayed there.
Merge branch 'rm-header' of github.com:gidden/cyclus into gidden-rm-header
added header that causes build failure with cmake release build
Merge pull request #657 from rwcarlsen/header-fix

added header that causes build failure with cmake release build
tweaked the error class to have its message tweaked by models and provided models and interface for doing so.
changed cost access keyword becuase its not const
fixed mst typo
added documentation requests
added missing return