Static methods mocking with Mockito

This is a placeholder ticket for enabling mocking static methods in Mockito. Example action items that are totally negotiable and can ran in parallel. We're looking for someone who can lead this effort.

• Research + discuss whether it is a good idea to enable static methods mocking in Mockito. The theory is that it is useful for legacy code, which is most code in the world.
• Research on how other mocking frameworks do that and whether it is considered useful feature for their users.
• Design and present for discussion an API for static mocking (slightly relevant ticket: Support lambda when syntax #643)
• Work with @raphw / ByteBuddy to come up with hacky prototype (the hackier, the better!)
• Mold the prototype with the API, remove enough rough edges so that the feature is good enough for incubating rollout
• SHIP IT!