Hack in support for loading plugins when invoking Wintersmith program…

…matically, borrowing the loadPlugins from the cli interface. Possibly fixes jnordberg#32

src/index.coffee

@@ -4,6 +4,7 @@ async = require 'async'
 {ContentTree, ContentPlugin, registerContentPlugin} = require './content'
 {TemplatePlugin, loadTemplates, registerTemplatePlugin} = require './templates'
 renderer = require './renderer'
+{loadPlugins} = require './cli/common' # cli common
 
 defaultPlugins =
   Page: require('./plugins/markdown-page')
@@ -27,8 +28,11 @@ module.exports = (options, callback) ->
         contents: path to contents
         templates: path to templates
         output: path to output directory
+        plugins: array of paths to plugins
         locals: optional extra data to send to templates ###
 
+  options.plugins = options.plugins ? []
+
   logger.verbose 'running with options:', {options: options}
 
   # load templates & contents then render
@@ -37,6 +41,7 @@ module.exports = (options, callback) ->
       async.parallel
         contents: async.apply loadContents, options.contents
         templates: async.apply loadTemplates, options.templates
+        plugins: async.apply loadPlugins, options.plugins
       , callback
     (result, callback) ->
       renderer result.contents, result.templates, options.output, options.locals, callback