Add extra assertion in TriggerContextTriggeredItemEntityHudsonTest

Assert that the triggered project is the same as the test project.

This has the side effect of removing a warning about unused project
variable in the test.

Change-Id: Ie712bf5c1abbe0f4334d0d370626913ea40660ef
Add missing description: GERRIT_EVENT_TYPE
Add Japanese translation for 2.9.0
Merge pull request #51 from rinrinne/ja-trans-2.9.0

Add Japanese translation for 2.9.0
Merge pull request #50 from rinrinne/eventtype-desc

Add missing description: GERRIT_EVENT_TYPE
Fix warnings about unused variables and methods

Eclipse warns about several unused variables/methods throughout
the project.

Remove the ones that are really unused, and add suppression of
the warnings for those that are actually needed.

Change-Id: I43d7dc9f87c04c5d3a4b5d3b3ab60f3ca0e6abaa
Retrigger permission added

Retrigger permission is added under Jenkins
Configuration page Authorization section.

Change-Id: I8f6bc4ab13558850d3d63872af0d1818cb66acd4
Merge branch 'i'