added options to aggregate workflows and external resources to a pack

git-svn-id: svn+ssh://rubyforge.org/var/svn/myexperiment/branches/wf4ever@3277 4f7b4649-9ca9-420a-81b3-55a188e4d46f
Updated schema

git-svn-id: svn+ssh://rubyforge.org/var/svn/myexperiment/branches/wf4ever@3283 4f7b4649-9ca9-420a-81b3-55a188e4d46f
Kristinaize the example

make it more like golden exemplar RO rather than hello world

git-svn-id: svn+ssh://rubyforge.org/var/svn/myexperiment/branches/wf4ever@3284 4f7b4649-9ca9-420a-81b3-55a188e4d46f