iotype metadata for slot causes DeprecationWarning. Added test to make sure warning is raised.
Fixed some errors. Formatted deprecation text.
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into bugfix-61060138
Merge remote-tracking branch 'upstream/dev' into feature-instance
Fixed slot, componenets, drivers and tests. Still need to fix CaseIteratorDriver.
Resolved merge conflict
add basic state & residual properties to gui... debugging
Merge branch 'dev' into gui
Merge branch 'dev' into gui
pass io_only=False arg to get_attributes when publishing component __attributes__
make values editable on States ObjectFrame States tab
Added connectable versions of containers that use Slots with ioytype
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into feature-instance
Fixing metamodle and doedriver
test_constat_inputs uses ConnectableMetaModel
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into feature-instance
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into feature-instance
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into feature-instance
linting
Merge branch 'dev' into gui