added _static to docs and __init__.py to test to fix warnings.
update to use VarTree instead of Slot
Merge branch 'master' of github.com:/swryan/nreltraining2013
Merge branch 'master' of github.com:swryan/nreltraining2013
Merge branch 'master' of github.com:/swryan/nreltraining2013
a little cleanup
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Merge branch 'master' of github.com:swryan/nreltraining2013
remove Low/High limits on ActuatorDisk variable to prevent SLSQP error
update docs accordingly
doc tweak
Merge pull request #3 from swryan/master

remove Low/High limits on ActuatorDisk variable to prevent SLSQP error (and once more over the docs)