DEA logs when it is started

Signed-off-by: Tony Hansmann <thansmann@pivotallabs.com>
DEA dumps instance registry every 5 minutes on debug2
Remove sqlite gem from test app

Caused failures in some vagrant boxes
Add test that dea.stop message works
add more debuging to dea on warden connection error
add some debugging to figure out why build is failing on jenkins
increase port connection timeout from 1 to 5 seconds
attempt (again) to make tests pass on jenkins