AMQP executor update
Move executables to bin and rename them.
Link executables in package.json
Remove files not required by npm package
SPEC.md: work in progress
SPEC.md update
Update SPEC.md
Change cmdline --config-KEY to --set-KEY
SPEC.md: describe function packages
SPEC.md: Graph bundles
Remove "DAG"
Delete style.css
- Merged latest commits from 'develop' branch
- Added 'examples' directory with a new workflow structure
- Added binary 'hflow' to run workflows
Refactoring of the 'hflow' script.
Added example 'comet' workflow.
Workflow instance working dir now converted to absolute path.
Removed functions (now searched automatically). HFLOW_ROOT corrected to
HFLOW_PATH.
Minor corrections in data format.
Corrected parsing of XML data.
Removed the "functions" section from the workflow description. Now it is
optional, functions are searched automatically.