Removed TriggerType plugin.
Added build versions through git tags.
Package version files auto added to every package during compilation
Add .travis.yml and Travis CI build image.
Fixing nitpicky items from code review.
Removing old dependency in .classpath
Merge pull request #47 from azkaban/buildchanges

Removed TriggerType plugin.
Merge pull request #48 from davidzchen/travisci

Add .travis.yml and Travis CI build image