Upgrade:
* net/coda6_server and net/coda6_client from 6.0.7 to 6.1.1 and thus
un-DEPRECATE them
* devel/rvm from 1.10 to 1.13
* devel/lwp from 1.12 to 2.3
* devel/rpc2 from 1.28 to 2.2
These four are tightly related so I upgrade them in one.. well.. changeset