	Changes linked fns warn if not united, allow substitutions for linked vecfns (details / githubweb) small fixes (details / githubweb) addd test (details / githubweb) only add gradients if there's truthy tags (details / githubweb) clean up warnings (details / githubweb)
	Started by upstream project CE_gpkit_PR_research_models build number 486 originally caused by: GitHub pull request #1543 of commit cb07628b49bb79b1c1f6f4a9917ed61ee3f56ed8, no merge conflicts.
	Revision: af66585f82a0385296778c791f19ace4c4e08f01 Repository: https://github.com/convexengineering/gpkit origin/pr/1543/merge origin/master
	SCM: git https://github.com/convexengineering/gpkit Commits since last build: 200 Latest commit: af66585
	0 errors, 0 warnings
	Test Result (no failures)