Delay connection until Jenkins completes to load all items.

Configured gerrit triggered job cannot take any gerrit events until
it is loaded to Jenkins. So stream-events connection should be delayed
until Jenkins completes to load all items.
Nullpointer when project cant be resloved

When getting Gerrit parameters the project is needed to sort
out if Name/Email should be fetched or if escapeQoutas is needed.

But if the project doesn't exist when triggered manually a
nullpointer is thrown.

Added nullpointer check and default values if project is missing.
Added method setOrCreateParametes without parameter project

Change-Id: I72fc2812073772024d837d392b09e34bf041aac9
Merge pull request #58 from rinrinne/delay-connection

Delay connection until Jenkins completes to load all items.
Removed flaky test

The scenario for the test is no longer valid.
Merge branch 'i'
[maven-release-plugin] prepare release gerrit-trigger-2.10.1
[maven-release-plugin] prepare for next development iteration
Update build-config dependency versions