Updating to match Spyder 2.3
Some updates to the README in the installer; VERSION and NEWS updated; icons updated.
Update tellurium.py

Restored loadAntimonyModel to original code in order to get error messages. save and restore state in Gillespie.
Update tellurium.py

Modified gillespie to take seed as an argument
Update tellurium.py

Added setSeed, getSeed and updated gilelspie
Update tellurium.py

Fixed syntax errors
Update tellurium.py

Updated gillespie to account for changes in roadrunner 1.2.3
Update VERSION.txt
Update NEWS.txt
cleaned up stoch sim methods