Upgrade gravia.
[Docker provider] Java 7 diamonds FTW ;)
[Docker API] Extracted Docker host finder.
[Docker provider] Added DockerFactory host resolving tests.
[Docker provider] Enabled tests.
[Docker provider] Resolved DOCKER_HOST is now passed to process building container.
[Docker API] Enabled some tests.
[Docker API] Optimized tests.
added some docs on the process container
improve the liveoak profile so we can explicitly use java8 (as the default for fabric8 is to use java7 right now)
add docs on requiring a mongodb
#1823 Fixed some broken links of getStarted
#1823 Fixed some broken links of getStarted
Several documentation fixes

'profiles' chapter
Removed the broken link in community index.html
Added camel-testng to BOM.
added missing dependency version
added enforcer to try avoid releases with snapshots
attempt to fix the dependency order so folks don't get build issues with fabric-cxf-registry build issues
Fixing #1839 Adding a ShutdownTracker to assist in gracefully shutting down SCR services.