[JENKINS-24763] Prevent thread starvation in OldDataMonitor by reducing scope of synchronization
Cleanup test file
Improve naming of test
Incorporate feedback from @jglick
Lots of translations and some typo fixes
Merge branch 'JENKINS-24763' of github.com:recampbell/jenkins
[FIXED JENKINS-24763] Noting merge of #1402.
Merge pull request #1417 from bkmeneguello/portuguese-translation

Lots of translations and some typo fixes