whitespace issues
Merge branch 'gui' of github.com:swryan/OpenMDAO-Framework into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into gui
Merge branch 'dev' into work
add clean_graph function to Assembly, returns JSON or SVG representation of depgraph
Merge branch 'dev' into work

Conflicts:
	openmdao.lib/src/openmdao/lib/casehandlers/html_post_processor.py
Merge pull request #1823 from thearn/dev

added pan and zoom capability to html post processor
fix comment string
Merge branch 'dev' into work
-	Add ability to write CaseDataSet query to StringIO
-	Use StringIO for getting graph from Query rather than temp files
-	Fix CaseDataSet to write simulation_info even if there are no cases
-	Fix javascript code to handle situation where there are no cases
experimenting with graph visualation
CDS visualizer gets SVG rather than building it