Ralph-beast

- Add support for iLO4.


MD5 (ralph-cli_0.3.0_amd64.deb) = ddfb159dc6fb9b173d96f78c57715fc0
MD5 (ralph-cli_0.3.0_darwin_amd64.zip) = 5c1c3f40ca156918ef9a5fade82d8074
MD5 (ralph-cli_0.3.0_linux_amd64.tar.gz) = af24a4296f23076c01ca4ce62f07454a

- `scan` command: ability to handle `Ethernet`, `Memory`, `FibreChannelCard`,
`Processor` and `Disk` components as well as `FirmwareVersion` and
`BIOSVersion` fields on `DataCenterAsset`.


MD5 (ralph-cli_0.2.0_amd64.deb) = bc2e730a9c1642225a7051720b300212
MD5 (ralph-cli_0.2.0_darwin_amd64.zip) = 376c16e4c784b9c5b2879d381a2e165f
MD5 (ralph-cli_0.2.0_linux_amd64.tar.gz) = c6c10251689065314d0098ba32a7cb42

- Ability to handle Python virtual environments.
- Initial version of manifest files for scan scripts.
- Ability to configure `ralph-cli` via config file.
- Initial versions of two scanning scripts (`idrac.py` and `ilo.py`).
- Integration with [Travis](https://travis-ci.org/) and [Coveralls](https://coveralls.io/).
- Initial version of `scan` command - only `EthernetComponents` (i.e., network
cards) are sent to Ralph.