First sentence in comments should end in a period
Delete a large number of unused imports

Many of these were imported purely to make using @link tags easier.  Not fixed
in this commit, but probably in a future one, is that the reason *that* in turn
happened is because there are a *ton* of @links to things like java.net.URL
when the paramters used and returned are not, in fact, java.net.URL, but rather
Strings that contain URLs.  I ended up not fixing that on this pass, instead
giving the full package name so the bogus imports could be removed.
Switch order of static/final declaration

The preferred order in both CheckStyles and the official Java Style Guide is
for "static" to precede "final".
Use "Type[] foo", not "Type foo[]"

This silences another several CheckStyles violations
@UpStatus, etc., aren't JavaDoc calls; escape them

This is ugly, but prevents JavaDoc, IntelliJ, and CheckStyles all whining about
unknown JavaDoc tags.
Remove redundant "public" qualifiers on interfaces