added a context helper for a facility with many input and output recipes and commodities
made context more resource generic
added an equality operator to allow for testing conditions
added constness... whoops
aaand one more const. off day it seems.
fixed equality bug
finally got the equality right... whew
fixed bug where untracked materials were included in global auto-decay
fixed bug where untracked materials were included in global auto-decay
Merge pull request #668 from rwcarlsen/decay-bug

fixed bug where untracked materials were included in global auto-decay
updated the initfrom interface to be easier to use/more intuitive
wraps XML errors which are not very the easiest to tell where they came from
Merge pull request #666 from gidden/commodcontext

added a context helper for a facility with many input and output recipes...
Merge pull request #669 from gidden/init-from

updated the initfrom interface to be easier to use/more intuitive
Merge branch 'develop' of github.com:cyclus/cyclus into develop
added more fine grained preconditioner tests to find mac woes
Merge branch 'moar-tests' of github.com:gidden/cyclus into gidden-moar-tests
added double equality tests
Merge branch 'moar-tests' of github.com:gidden/cyclus into gidden-moar-tests
initialized more members of the exchange node struct