(CFACT-120) Add zpool facts for solaris

This patch adds support for zpool facts for solaris. It includes current
version, supported features, and zpools available, their size and available
space.
(CFACT-120) Add zfs facts for solaris

This patch adds suppport for zfs facts for solaris. It lists the version,
supported features, and currently known properties of all zfs datasets
Merge pull request #135 from vrthra/fix/cfact-129/zfs-solaris

(CFACT-120) Add zpool facts for solaris
(CFACT-120) Add zfs facts for solaris