New Versin 0.6.2

- fix ssl handshake failures.
- fix device selection bug introduced in 0.6.1
- make linux performance improvements introduced in 0.6.1 optional
  via 'mq-solver' parameter (due to issues on some systems)
- improve device initialization on large systems


This version fixes 'SSL_connect failed r:2 error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure' errors which prevented zm from connecting to pools. Performance improvements introduced in 0.6.1 for linux systems caused issues on systems which use only 1 PCI-E lane - this optimization is disabled now by default. You can enable it using the introduced 'mq-solver' parameter in 0.6.2.