Ec2yaml

++++++++++++++++++

**API Changes**
- A boto profile can now be specified in the command line arguments

**Bugfixes**
- Fixes an issue with a key and secret from the command line not
being properly assigned.

++++++++++++++++++

**API Changes**
- Instances can now be arbitrarily tagged ::

instances:
app_server:
key_name: aventurella
image: ami-6ac2a85a
size: m3.medium
zone: us-west-2c
tags:
- key1: value1
- key2: value2

ip_address: foo

security_groups:
- ssh
- http
- https
- foo-salt
- foo-ssh

volumes:
- foo-volume: /dev/sdh

- Volumes can now be arbitrarily tagged ::

volumes:
foo-volume:
size: 1
zone: us-west-2c
tags:
- key1: value1
- key2: value2

++++++++++++++++++

**API Changes**
**Bugfixes**