handle disconnected variable in depgraph fix_duplicate_dests()
Merge branch 'dev' into work
debugging
Merge branch 'dev' into work
better error message when failing to set array value
Merge branch 'dev' into work
remove debugging print statements
add var path info to exception when failing to set flattned value
Merge branch 'dev' into work
get rid of FutureWarning from comparing tuple
fixed an issue with system.dump
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into mpi
Modified check to test size of flattened value of a variable.
Corrected format in example in  Plugin Dev Guide; made punctuation & formatting mods to
multifi_cokriging_surrogate.
Merge branch 'dev' into work

FIXED Conflicts:
	openmdao.main/src/openmdao/main/systems.py
interim
Merge pull request #1873 from pziegfeld/docstrings

Fixed example in Plugin Guide; edited punctuation & format in multifi_cokriging_surrogate.py.
Merge pull request #1874 from crobinsonut/uninit-array-error

Modified check to test size of flattened value of a variable.
interim
merged out