Refactor windows_service_manager slightly so that we can reuse it in different projects.
Update README.md

Updating URL for documentation. (The wiki will be assigned re-directs to docs.opscode.com in the coming days.)
Tests, documentation and better error handling for windows service manager.
Rearrange comments based on PR feedback.
Merge pull request #663 from opscode/serdar/service_manager_refactor

Refactor windows_service_manager slightly so that we can reuse it in dif...
Revert "Merge branch 'CHEF-1031'"

This reverts commit a82935b4a8e1e8174d02e83259f07ea9926dd007, reversing
changes made to 464087c7a6da4ed51237cbb6ff39e45feeae0ecd.

Conflicts:
	lib/chef/provider/remote_file/ftp.rb
Fix test failures due to windows_service_manager...