Move port and host configuration options to Jekyll::DEFAULTS so Commander doesn't override in serving awkwardly.

bin/jekyll

@@ -75,9 +75,7 @@ command :serve do |c|
   c.option '-b', '--baseurl [URL]', 'Base URL'
 
   c.action do |args, options|
-    options.default :port => '4000',
-                    :host => '0.0.0.0',
-                    :serving => true
+    options.default :serving => true
 
     options = normalize_options(options.__hash__)
     options = Jekyll.configuration(options)

lib/jekyll.rb

@@ -64,7 +64,7 @@ module Jekyll
     'keep_files'   => ['.git','.svn'],
 
     'future'        => true,           # remove and make true just default
-    'pygments'      => true,          # remove and make true just default
+    'pygments'      => true,           # remove and make true just default
 
     'markdown'      => 'maruku',
     'permalink'     => 'date',
@@ -75,6 +75,9 @@ module Jekyll
     'markdown_ext'  => 'markdown,mkd,mkdn,md',
     'textile_ext'   => 'textile',
 
+    'port'          => '4000',
+    'host'          => '0.0.0.0',
+
     'excerpt_separator' => "\n\n",
 
     'maruku' => {