added integration test for growth region/manager inst
companion for cyclus/cyclus#912
updated with cyclus core
don't link gtest into agents. fixes cyclus cli segfault with clang compile and link errors
Merge branch 'grtest' of https://github.com/gidden/cycamore into gidden-grtest
rename agents Implementation col to Spec
Merge pull request #258 from rwcarlsen/spec

rename agents Implementation col to Spec
removed time arg from tick and tock
added in correct fake time setting
Merge branch 'robert-notime' into develop