started adding the rules section
added rules section to the tutorial
finished rules section, starting simulation section
finished basic tutorial section, moving to advanced section
minor touchups,  added figure to simulation section,
minor changes
cleans
changes, started to edit advanced tutorial, move to another section
minor fixes to syntax
some changes to index and intro, minor changes to tutorial, still needs to be cleaned up
slimming of the tutorial in progress...
changes before merge
Merge remote-tracking branch 'jmuhlich/master' into documentation
changes to documentation, cleaning scattered rules info and moving to rulesprimer
changes to tutorial to clean up a bit...
some syntax fixes, added a section for macros usage that is needed
change to make equilibrate work with complexes
minor changes to tutorial
Merge branch 'documentation' of github.com:clopezx/pysb into documentation
minor changes to util.py... i thoguht i had merged