wip fairly functional configuration and settings object
wip project creation
wip very shakey... preview not working quite right
clean up project loading significantly, treat _base differently
Easier caching, functional generate function
Improve tarbell publish, s3cmd integration
Make publishing sync to the right location by adding trailing slash
Rename EnsureSite to EnsureProject to better reflect what's happening.
clean up app.py
drop return at end of preview
Add git wrangling, prompt for spreadsheet
remote some debugging statements
add ctrl-c message to tarbell serve
allow commands to run when configure is done