No longer need chained run example.
moved habitat out code into main R dir.
output run exit val to evalute crashes
changed ice handling
need glm.physics (or at least somethign like it) for some of the habitat out code.
initial cleanup of habitat out code
Simpler solution to mac download issue.
Merge remote-tracking branch 'upstream/master'
removed conflict
roxy on package
roxy on package
Merge pull request #22 from jread-usgs/master

posible solution for file.download?
Merge branch 'master' of github.com:GLEON/mda.lakes