Intro .provision_on_start flag for ships

Allows control over when the livery provisioning happens for
ships. This was needed because sometimes we don't want to
provision (Puppet) until all ships are up and we know their
hostnames in AWS, etc.

README.md

@@ -49,6 +49,7 @@ Here's an example Blimpfile:
             ship.username = 'ubuntu' # [Optional] SSH username, defaults to "ubuntu" for AWS machines
             ship.flavor = 'm1.small' # [Optional] defaults to t1.micro
             ship.tags = {:mytag => 'somevalue'} # [Optional]
+            ship.provision_on_start = false # [Optional] defaults to true
         end
     end
 ```

lib/blimpy/box.rb

@@ -14,7 +14,7 @@ module Blimpy
     attr_accessor :image_id, :flavor, :group, :ports
     attr_accessor :dns, :internal_dns
     attr_accessor :name, :tags, :fleet_id, :username, :ssh_port, :livery
-
+    attr_accessor :provision_on_start
 
     def self.from_instance_id(an_id, data)
       return if data[:type].nil?
@@ -33,6 +33,7 @@ module Blimpy
     end
 
     def initialize(server=nil)
+      @provision_on_start = true
       @livery = nil
       @group = nil
       @name = 'Unnamed Box'
@@ -161,7 +162,6 @@ module Blimpy
       end
     end
 
-
     def with_data(ship_id, data)
       data.each do |key, value|
         next if immutable_attributes.include? key.to_sym

lib/blimpy/fleet.rb

@@ -124,8 +124,10 @@ module Blimpy
         print "\n"
         puts ">> #{host.name} online at: #{host.dns}"
         host.online!
-        host.bootstrap
-        puts
+        if host.provision_on_start
+          host.bootstrap
+          puts
+        end
       end
 
       save!