Change .ddg.file.copy so that a file node is only created if the file
exists.
Updated version number
Fixed issue with extra documents in ins/doc folder. They are now part of the documentation in R > 3.0. Added direct links from the description page to the files online
Added a target to copy to the dropbox.
Merge branch 'master' of https://github.com/blernermhc/RDataTracker
Fixing tabs on build.xml
Changed .ddg.is.* function family to no longer rely on previous functions. For example, before, ddg.is.simple would return True for graphics. It no longer does this