add support for plotting array variable for a single case to case data visualization
add json_encode method to FileMetaData so json case recorder doesn't barf on it
add a test based on the example prblem from the forum
variables from inner connections are no longer included because save_problem_formulation is True in recording_options
Merge branch 'work' of github.com:swryan/OpenMDAO-Framework into work
Merge pull request #1846 from swryan/work

json recorder bug fix for File vars, etc.