Merge pull request #43 from odi-um/master

Pull request for Issue #25
'prlsrvcl' utility added to 'execute' method
Multi-adapter private networking released
Few fixes
'read_bridged_interfaces' added
Readme updated
Readme fix
Merge pull request #45 from legal90/feature/private_network

Feature: Private Networking
Contributors section for a big thanks
Version bump with new features
	Private Networking
	Custom Condifurations
Network adapters: disable dhcp unless otherwise specified
'read_bridged_interfaces' modified
Bridged adapters support is implemented
README.md updated
README.rb rollback: network 'type' should be a Symbol object
'prl_ctl' driver methods sorted by alphabetical order
Added driver method 'read_network_interfaces'
Merge pull request #48 from legal90/feature/public_network

Feature: Public Network
NFS Synced Folders implemented (iss #9)
Bump version for Public Networking
Merge pull request #49 from legal90/feature/nfs

Feature/nfs