Merge pull request #6 from seantuck12/fixingbuild

changing to ifelse function to allow build
Update tests/Test.R
Remove R/UpdateSubset.R duplicate of R/UpdateSubsets.R
Improve style in R/ConvertToDD.R
Change use of print() to cat()
Change use of print() to cat()
Solve cat(list(...)) error calling SubsetID variable
Change Product arg to Products
Pesky )
Add line breaks to message print outs
Add InterpolateN arg to MODISSummaries
Update man/MODISSummaries.Rd
Add stopifnot for web service responsiveness
Add example for man/UpdateSubsets.Rd
not sure what I am commite
my repo merge