Specify template files via configuration

[bmuenzenmeyer]

patternlab-config.json paths

{
  "paths" : {
    "source" : {
      "root": "./source/",
      "patterns" : "./source/_patterns/",
      "data" : "./source/_data/",
      "meta": "./source/_meta/",
      "annotations" : "./source/_annotations/",
-      "styleguide" : "./node_modules/styleguidekit-assets-default/dist/",
+      "styleguide" : "./node_modules/@pattern-lab/styleguidekit-assets-default/dist/",
-     "patternlabFiles" : "./node_modules/styleguidekit-mustache-default/views/",
+     "patternlabFiles" : {
+       "general-header": "./node_modules/@pattern-lab/styleguidekit-mustache-default/views/partials/general-header.mustache",
+       "general-footer": "./node_modules/@pattern-lab/styleguidekit-mustache-default/views/partials/general-footer.mustache",
+       "patternSection": "./node_modules/@pattern-lab/styleguidekit-mustache-default/views/partials/patternSection.mustache",
+       "patternSectionSubtype": "./node_modules/@pattern-lab/styleguidekit-mustache-default/views/partials/patternSectionSubtype.mustache",
+       "viewall": "./node_modules/@pattern-lab/styleguidekit-mustache-default/views/viewall.mustache"
+     },
      "js" : "./source/js",
      "images" : "./source/images",
      "fonts" : "./source/fonts",
      "css" : "./source/css/"
    },
    "public" : {
      "root" : "./public/",
      "patterns" : "./public/patterns/",
      "data" : "./public/styleguide/data/",
      "annotations" : "./public/annotations/",
      "styleguide" : "./public/styleguide/",
      "js" : "./public/js",
      "images" : "./public/images",
      "fonts" : "./public/fonts",
      "css" : "./public/css"
    }
  },

[bmuenzenmeyer]

Still should update grunt config

[bmuenzenmeyer]

this should address in part #285 (comment)