Prevent destroy-environment when desired.
Fixed error construction and format. Renamed vars for clarity and conformity.
Cleaned up error-related code based on review.
Made code readable
Environment variable manipulation is behind cmds for block/unblock operation.
Code readability improvement.
Update CONTRIBUTING to reflect ReviewBoard.
Add a note about falling back to github.
Update to skip manual steps.
Add a document describing ReviewBoard and how we use it.
Update the text.
state: extracted environment setup ops

The code to generated DB operations for setting up the initial
environment have been extracted so that they can also be called from
elsewhere.
Deterministic ordering of port ranges in GetMachinePorts.

Order was dependent on map key ordering. Broken in Go 1.3+
move juju.{State,Life} to multiwatcher.{State,Life} and add aliases in apiserver/params
tests pass
remove unused file
Mock command for tests.
More verbose command purpose for help.
Initial commit of interface declaration
Stub ReleaseAddress method on all providers