added lightME and weachDT functions from BioCro/Wimovac for calculating light macroenvironment and for downscaling met drivers from daily to hourly
Merge branch 'master' of github.com:PecanProject/pecan
updated db test GH #158
update settings tests GH #158
update utils tests GH #158
add rPython to dependencies
modified MODIS python script to allow user to specify the product and bands
call_MODIS: added product & band selection; added roxygen tags; fixed bug with date being passed as a float not int
MODIS python: checks to see if QC band and/or SD band are None
moved MODIS scripts into data.remote, reorganized data.remote to be a R package
add data.remote to build; add outfolder as argument to call_MODIS
use download.file to get a file from URL

this replaces system call to wget and works on mac which does not have
wget by default. Also checks if file already exists and skips the
download.
Merge branch 'master' of github.com:PecanProject/pecan
data.remote: added DESCRIPTION, LISCENCE, NAMESPACE
Merge branch 'master' of github.com:PecanProject/pecan
more fixes for dap demo

- fix to CF.NARR.sh script
- add met2CF.NARR function
more fixes for dap demo
call_MODIS: added output filename to args. fixed error in adding data.remote path to python sys.path
merge
moved rPython from depends to suggests in data.remote