Merge pull request #6 from HubSpot/master

Merge from Hubspot
Merge pull request #7 from HubSpot/master

Merge from hubspot
improvements / fixes to vagrant rig (fixes #225)
initial commit for slave placement

still need tests
Whirlwind tour of the basepom based build.

Guess I should write some docs here.
Merge pull request #8 from HubSpot/master

Merge from hubspot
some slave placement tests
name change
name tweak
Merge pull request #231 from hgschmie/basepom-primer

Whirlwind tour of the basepom based build.
Proxy history manager calls
Use noop HistoryManager when no database avail
Remove singleton annotation

It currently doesn’t work with SingularityStartable.
merge in from master
remove nonNull
Remove verbose test logs.
Merge pull request #235 from HubSpot/optional_mysql

Make (My)SQL optional
Merge branch 'master' into slave_placement

Conflicts:
	SingularityService/src/main/java/com/hubspot/singularity/config/SingularityConfiguration.java
use a singleton in test.
enhanced readme