Vsphere Licensing

- Support for adding / assigning licenses to vsphere entities
added patch to account for enabling a service via esx directly
Merge pull request #116 from sholland/esx_direct_patch

added patch to account for enabling a service via esx directly
Merge pull request #110 from dscherer/esx_license

Vsphere Licensing
Merge remote-tracking branch 'upstream/master' into iscsi_advanced_fix