merge from dev
Fix FIA script
need chron for plot
use new betty database
merged cheas and dev branch
merged Robs web stuff from cheas
new directory structure created
moved web pieces into web folder.
Added modules folder
moved web pieces into web folder.
cleanup R directories from non-R packages
merged from trunk
merged with Rob's changes
Merged with David's changes
merge mainline
Added R library structure to ../models/ed/
merge mainline
added folder for generic model specific templates to models; added R lib folders to generic and sipnet folders
added ensemble to modules folder
initial refactoring