lint
Merge branch 'dev' into gui
Merge branch 'dev' into gui
changing check_config to be called everywhere before execution of model
interface update
small fix
fix for distsim
removed the 'required' metadata from the 'best_case' Slot in expected_improvement
small fix to FixedPointIterator
Merge pull request #1302 from naylor-b/check_config

check_config is now called for the whole hierarchy below the executed component
ExternalCode changes per Chris Heath.
add base classes to metadata for available_types
add base classes to gui library draggables (for slot type matching)
Merge branch 'dev' into gui
add gui functional test for dropping a subclass onto a slot
Merge pull request #1304 from swryan/gui

gui - fix slot figures to accept subclasses
Merge pull request #1303 from setowns1/bug

ExternalCode changes per Chris Heath.
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework.git into guidev
fix for ei test
Merge pull request #1306 from JustinSGray/dev

fix for ei test
fixed passthrough editor bug - component-level leaf not checkable