Use declare for indentation.
Implement tag inheritance.
Merge branch 'tag-inheritance' into v0.3-wip
Add troubleshoot section in README.

Also added entry on Jekyll error.
Do not return nil in prodigy-set-service.
Autoload some functions.
Add on-output hook.
Update doc-string.
Update list header.
Rename section.
Rework status.

This change includes:

* New public API function prodigy-set-status.
* Polling for changes in processes and updates status if changed.
* A status must be defined before used. Prodigy comes with a few basic statuses.
Two spaces after period.
Replacing a service preserves process.
Add on-output to list of supported tag properties.
Define the default status list when starting prodigy-mode..
Update copyright years.
Use hl-line to highlight current line.
Fix Ecukes for asserting on hl-line instead.
Highlight line on refresh.
Update status colors.