Warning cleanup

[dlaboss]

Cleanup a number of warnings reported by Eclipse.
There are still 50+ warnings related to raw types, casts, type safety as well as unused field/local-variables.

Please comment if you have concerns with any of these changes.

[justinmclean]

IMO no need for a PR for still like this feel free to commit yourself.

[dlaboss]

Hi Justin, I was expecting to merge it myself, but thanks :-)
Isn't is just better to consistently work in the github fork/feature-branch/PR flow so as to reinforce its use? It just makes it easier for folks to identify/review/comment on changes. And when build/test checks are integrated into the PR flow their "passing" is made readily apparent in the PR.

[chrisdutz]

Well we should get the Travis support working first or you will be working without CI ... I've already setup the travis file thing, but still have to have Infra enable it.