change vm page per issue 46
Fix Bug: Timezone default settings doesn't work
Fixed typo in JobTypeManager.java
Merge pull request #62 from Erwa/master

Fixed typo in JobTypeManager.java
logs from different jobs may appear in the same log file due to Layout thread safety issue.
Using EnhancedPatternLayout for each and every job  should fix this.
Merge branch 'master' of github.com:azkaban/azkaban2
Merge pull request #61 from pooorman/master

Fix Bug: Timezone default settings doesn't work