[OHAI-458] Include Joyent SmartOS specific attributes in Ohai
change license mit to apache2
Merge branch 'master' into OHAI-458
update syntax from ohai6 to ohai7
fill provides
define method for collect product information
new method collect pkgsrc for test
update method collect pkgsrc for test
update spec for plugin/joyent
remove comment from spec
move .collect_guest_id from joyent to solaris2/virtualization
Merge branch 'OHAI-458' of github.com:ZCloud-Firstserver/ohai into OHAI-458
update spec
Merge branch 'master' into OHAI-458
updates by reviwes.

- https://github.com/opscode/ohai/pull/133#discussion_r13094729
- https://github.com/opscode/ohai/pull/133#discussion_r13235950
- https://github.com/opscode/ohai/pull/133#discussion_r13237773
Merge pull request #133 from ZCloud-Firstserver/OHAI-458

[OHAI-458] Include Joyent SmartOS specific attributes in Ohai