examples at bottom used wrong command name

should be `zonify` instead of `zone`
Given unexpected `git describe`, resort to "0.0.0.SHA1FRAG" as version.
Carry through docs fix.
Merge remote-tracking branch 'paxan/master'
Use same `and' as rest of Zonify.
Do not consider EC2 instances in terminated state.

They aren't coming back :)
Handle exact tags.
Use IAM-provided credentials if indicated.
Add sane entry point for docs build.
Updated index.rst with --use-iam-profile stuff.

Regenerated the pertinent portion of README by:

cd docs
make zonify.txt
Explicitly sort output hashes.
Merge utility.
Merge pull request #2 from paxan/use-iam-profile

Use IAM-provided credentials if indicated.
Merge branch 'merge'
Ignore shutting-down instances, too.
Support new AWS_DEFAULT_REGION environment var.
Document merge command.
Document new support for AWS_DEFAULT_REGION.
Lowercaseify ELB dns names

so they can be matched by the regex
Change ownership and contact information.