Added three files to photosynthesis module

C3 Species.csv
C3 photomodel.r
Documentations.docx
added ggmcmc output (default FALSE) as option because it is slow
updated documentation for PEcAn.settings
Merge branch 'master' of github.com:PecanProject/pecan
Merge branch 'master' of github.com:PecanProject/pecan
Merge pull request #98 from lovelilyinfall/master

Added three files to photosynthesis module
make sure settings$model$id
copied results to wrong folder, work with tcsh on geo.bu.edu
added scripts/Rfcn.R, which is an generic function for running R functions at the command line. Mostly intended for running functions on the remote machine
sketched out convert.input function
added convert.input to description and namespace for utils
check history.xml for ed, not sipnet.out
re-enable printing of date of ed simulation
converted workflow.R into r script.
tweaks to running pages.
sort history
fix listing of files and outputs.
add parent to dbfile.input.{insert,check}
generate variable file for web in model2netcdf
enable login for pecan #100

Big clean up of web interface CSS
Added PEcAn sponsor information