add commands for solaris 10
fix check_link command for Solaris10.

- '-w' option of grep is not allowed.
- modify to check strictly
Merge branch 'add-commands-for-solaris10' of https://github.com/ftnk/serverspec into pat_solaris10
added pkginfo command for check_installed
added numerous override methods for solaris 10
added check_file_md5checksum for solaris 11
override check_authorized_key for solaris 10 using alternate grep
use standard grep without -w option for solaris 10 check_authorized_key
Replace CRLF with LF when SSH

Because SSH with pty allocation replaces LF with CRLF.
So serverspec should replace it to get original content.
Merge pull request #284 from serverspec/crlf-to-lf

Replace CRLF with LF when SSH
Bump up version
Add support for lxc(Linux Container)
Merge pull request #285 from tenforward/lxcSupport

Add support for lxc(Linux Container)
Bump up version
Use IO#gets instead of Kernel#gets
Merge remote-tracking branch 'pr/287/head'
Bump up version
include tcp6 & udp6 as port protocol

apache2 in debian is listed as tcp6 in netstat so grep for 'tcp' won't
work.
Merge pull request #288 from JHaals/tcp6udp6

include tcp6 & udp6 as port protocol
Bump up version