add provision tags for user
add error checking for tagging if no user set in knife.rb
Merge branch 'merge_fix_modcloth' into auto_tagging_provisions_with_user

Conflicts:
	lib/chef/knife/joyent_server_create.rb
Merge branch 'force_name_flag_fix' into auto_tagging_provisions_with_user
Merge remote-tracking branch 'kevinykchan/master' into auto_tagging_provisions_with_user
Minor indentation and comment changes
Fix typo for --password long option
Space-delimit Machine IP's for display
GH-38 changed :local_user configuration to :provisioner. Added documentation + some clean ups / refactoring.
GH-38 Merge branch gh-38 into master -- provisioner-tagging