Remove exclusion which already happens in base pom.
add another role that includes baragon + nginx
Merge pull request #296 from stevenschlansker/nuke-more-exclusions

Remove exclusion which already happens in base pom.
Merge pull request #297 from HubSpot/baragon-vagrant

add another vagrant role that also includes baragon + nginx
make gitignore allow multiple local singularity
jesos changes
doc changes
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.