Updating Singularity Documentation.
Additionally generate API docs in /docs/reference/api.md
Merge branch 'master' into swagger
dont use HTML tables in markdown template
more doc polish
Make Singularity embeddable into a bigger service.

Adds also an example on how to do it with a skeleton class.

There is probably some more documentation required; I will write some once this has really gelled.
another generic change for extensibility.
work on cooldown and priority
scheduler now fairly prioritizes tasks

- for a given offer, tasks will first be scheduled based on the last
time a task for that request was launched
- tasks with multiple instances will not get extra priority
don't overwrite tail of log
add configuration reference
tweaks
add mesos settings / TOC
caps
Sort s3 logs
Vagrant service has enableCorsFilter
Update docs
deployment section
Merge branch 'master' into update_docs

Conflicts:
	Docs/Singularity_API_Reference.md
Add basic “fetching more…” to the top and bottom of the tailer view (that are hidden when you hit the end of the top or bottom).