Added pipeline scripts.  This branch is for active development and the code may be (read: probably is) in an unstable state!
Added executable functions for adding files to and downloading files from
the observations database.
Bug fixes in download.py and edits to guillimin tarball script
Bug fixes in download.py and edits to tarball script
Changed the way python is called in executables
Several debugging changes made after tests on guillimin
Bug fixes after testing on guillimin
Fixed a bug in the way checkpoint files were handled
Fixed bugs from final tests on guillimin.  Ready for push to master.
Fixed bugs after final development testing on Guillimin.
Fixes bugs from final development testing on Guillimin.