Silence boring Eclipse warnings: unused imports
Silence boring Eclipse warnings: @SuppressWarnings("serial")
Silence boring Eclipse warnings: @SuppressWarnings("rawtypes")

Add @SuppressWarnings("rawtypes") to ResolverAdapter, since it has a comment
making pretty clear that using raw types is intended.
Silence boring Eclipse warnings: catching all exceptions

Here I make explicit where catching all exceptions is intended.
Mark Harrah corrected one decision during review.
Silence boring Eclipse warnings: catching all exceptions, part 2

These warning fixes are new since my last pull request, please verify.