Use enhanced for loops instead of regular for loops part 1

[winfriedgerlach]

If we cannot go for Java 8 features yet, we can at least leverage Java 5 features. Here is the 3rd of some modernization PRs

[dghgit]

This one may take a while to deal with. I hate to admit this, but we actually still ship for Java 4, which believe it or not is still in use and in some environments the only option.

[winfriedgerlach]

All right, I understand...