v7.1:

- now "-etha 2" is set automatically for Linux and 4xx cards. You can change it by specifying "-etha" directly if necessary.
- if miner manages fans, it returns management back to drivers at closing.
- added text coloring in Linux version. You can use "-colors 0" option to disable it if necessary.
- several minor improvements and bug fixes.
- EthMan: added ability to start .bat file if miner has problems.
- EthMan: added support for CryptoNote miner.