Merge pull request #44 from jadams15/master

Merge pull request #1 from landlab/master
Updated docstrings

fixed some doc string issues in overlandflow component
Merge remote-tracking branch 'origin/master'

Conflicts:
	landlab/components/overland_flow/overland_flow_driver_springcreek.py
updated doc strings

doc string fixed in spring creek driver
removed duplicate files

old versions of overland flow codes
more doc string changes...