Ignore jEnv files
Remove redundant modifiers from interfaces
Enforce no redundant modifiers via Checkstyle

This check also helps find utility classes which should not allow
instantiation.
Avoid primitive wrapper constructors
Ensure no calls to primitive wrapper constructors
Upgrade to maven-findbugs-plugin 3.0.0

Notably this release include support for Java 8.  Changelog:

http://findbugs.sourceforge.net/Changes.html
Use randomByteSource to generate test data

This avoids buffering the entire bolus of data in-memory.
jclouds Development Tools
Set Content-MD5 only if ETag has correct format

Previously this check was more lenient than it should have been.
Correct unusual equals implementations

Found with FindBugs.
Avoid unnecessary boxing

Found with FindBugs.
Miscellaneous FindBugs fixes
Add suppressions to FindBugs
Enforce Override annotation via Checkstyle

Also remove bogus inheritDoc on base and static methods.
Tell bundle plugin to include generated services file from auto-service