Improve docs for monkey patched methods.
Improve docs for monkey patched methods.

They were listed as being methods on `RSpec::Mocks`.
By defining the docs within `BasicObject`
and `Class` they are rendered properly.
edwardpark/rspec-mocks,maclover7/rspec-mocks,h4ck3rm1k3/rspec-mocks,rspec/rspec-mocks,AEgan/rspec-mocks,edwardpark/rspec-mocks,maclover7/rspec-mocks,rspec/rspec-mocks,ducthanh/rspec-mocks,zephyr-dev/rspec-mocks,rwz/rspec-mocks,telekomatrix/rspec-mocks,ducthanh/rspec-mocks,telekomatrix/rspec-mocks,AEgan/rspec-mocks,h4ck3rm1k3/rspec-mocks,rwz/rspec-mocks,zephyr-dev/rspec-mocks