[COOK-2126] Add checksum (SHA256) support for windows_zipfile
Add printer and printer_port LWRPs

Conflicts:
	providers/printer.rb
	resources/printer.rb
Add license headers and author info.
Add debug message to print installer command line args
Add why-run support to printer_port provider
Add why-run support to printer provider
Add depends 'powershell' to cookbook metadata

Printer and printer_port providers depend on the PowerShell resource
Polish printer and printer_port LWRPs
Merge pull request #18 from L2G/COOK-2126

[COOK-2126] Add checksum (SHA256) support for windows_zipfile
Merge pull request #20 from Nordstrom/cook-2149

Cook-2149: Add debug message to print installer command line args
Merge pull request #19 from Nordstrom/cook-2142

Cook 2142: Add Windows Printer and Printer Port LWRPs
Add @new_resource.checksum to cached_file call in installer_type
release v1.8.0
[COOK-2301] - remove powershell depends, notes in readme
release v1.8.2