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 pkg_version with pkg_info
Add check_mode for FreeBSD
To be optional for \r (CR) because it may not be contained for the
output of `ip route` on CentOS6.4 at least
Merge pull request #270 from Tacahilo/change-check-installed-for-freebsd

[FreeBSD] replace pkg_version with pkg_info, for checking a package installed.
Merge pull request #271 from Tacahilo/add-check_mode-for-freebsd

[FreeBSD] Add check_mode
Merge pull request #272 from tmtk75/master

To be optional for \r (CR) because it may not be contained for the output of `ip route` on CentOS6.4 at least
Bump up version
Add support Plamo Linux
Merge pull request #273 from tenforward/support_plamo

Add support Plamo Linux
Bump up version
Ignore case of monit result
Merge pull request #274 from serverspec/case-fix-for-monit

Ignore case of monit result