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
Corrected redis key to store information about workflow functions.
Change cmdline --config-KEY to --set-KEY
SPEC.md: describe function packages
SPEC.md: Graph bundles
Remove "DAG"
Delete style.css
Updates in comet workflow.
- Merged latest commits from 'develop' branch
- Added 'examples' directory with a new workflow structure
- Added binary 'hflow' to run workflows
Updated 'comet' workflow: added computation of statistics and 'growing degree days', enhanced generation of graphs.
Bigger data file for the example 'comet' workflow.
Update of 'comet' workflow implementation.
Removed comments.
Refactoring of the 'hflow' script.