Python 3 and Pyomo 4 (no backwards compatibility!)
Notebooks to .gitignore
Small fixes
Documentation structural changes
Use functools.lru_cache for @memoize
Data path now in model settings, cleaned up path processing
Fixes to parallel run generator
Analysis imported in core only when needed
More fixes to path management
Be silent about matplotlib import error
Documentation structural updates
Better documented example model configuration
Updated components doc, more structural changes
Doc design updates; revised formulation section
Drafts: partially auto-generated config reference; example model doc
Updates to configuration reference
Documentation theme changes
Docs: configuration section, other changes
Travis: track Pyomo trunk temporarily
Docs: run configuration, YAML format, other fixes