Merge pull request #7 from Google-Drought/master

Branch merge for parity.
added factoids
fixed tabbed indents on python code
added rmax,rmin,srad,vs
added figure and data tab to new interface
updated development
added sph
added rectangle subdomain option
update master
Merge pull request #17 from Google-Drought/development

Merge pull request #7 from Google-Drought/master
Merge pull request #1 from Google-Drought/master

Master branch merge for parity across branches and forks.