eclipse-jdt updates and other generic fixes

[ajayk]

i didn't see this https://github.com/takari/takari-lifecycle/pull/103/

[jvanzyl]

I didn't see either of them, my notifications aren't setup very well. Do you want me to look at both of them together? @cstamas feel free to merge everything in, happy to give you access.

[ajayk]

@cstamas feel free to cherry pick the changes or close the #104

[cstamas]

@jvanzyl this PR requires parent changes https://github.com/takari/takari-pom/pull/9 and those need a release before this PR can carry on...

[cstamas]

@cstamas feel free to cherry pick the changes or close the #104

Let's merge #103 and then cherry pick whatever needed from here...

[jvanzyl]

Feel free to merge this if it looks good.

[cstamas]

Superseded by https://github.com/takari/takari-lifecycle/pull/105 (has both PRs merged)