Add bigjob tutorial code verbatim.
Added stubs for tutorial.
snapshot
chained example works on india!
use poor mans data chaining...

you need to create a $HOME/tmp/ dir on the target machine.  Not sure if that should be used for the tutorial, or if that will rather confuse...
iteration on examples -- simple example works
all 3 tutorial examples work now
Change to das.
More fun.
Clarify runtime field. Not sure why this is not called walltime.
Cleaned up and nicified simple example.
Rename as discussed.
More renaming.
Beefed up chained task example.

This has become quite convoluted and non-optimal at the same time.

One should really wrap this in a library.

And call it MTMS or so ..

Oh wait ...
Working coupled task example.

Not sure what this pattern is supposed to communicate, because now its more of
a barrier sync than coupling really.
Some minor mods.
Merge branch 'master' into devel