Changes to release docs.
Merge pull request #315 from sjsrey/rod

Replacing ROD with regular dictionary
merging with pull
simplified install instructions
merging local changes
Merge pull request #317 from pastephens/master

Changes to install and release docs
fixes #318

Issue seems to have been a couple small typos, things that didn't get
changes properly.
stubs for cg docs
typo
version added info
Merge pull request #320 from pastephens/master

cg doc stubs
id is a keyword
Merge pull request #324 from pysal/bf_id

id is a keyword