Update showdown to showdown-ghost 0.3.4

closes #2675

- update showdown to the newly published showdown-ghost module which has a fix for the lack of language support in codeblocks

Gruntfile.js

@@ -529,7 +529,7 @@ var _              = require('lodash'),
                         'bower_components/codemirror/addon/mode/overlay.js',
                         'bower_components/codemirror/mode/markdown/markdown.js',
                         'bower_components/codemirror/mode/gfm/gfm.js',
-                        'bower_components/showdown/src/showdown.js',
+                        'bower_components/showdown-ghost/src/showdown.js',
                         'bower_components/moment/moment.js',
                         'bower_components/keymaster/keymaster.js',
                         'bower_components/device/lib/device.js',
@@ -564,7 +564,7 @@ var _              = require('lodash'),
                         'bower_components/codemirror/addon/mode/overlay.js',
                         'bower_components/codemirror/mode/markdown/markdown.js',
                         'bower_components/codemirror/mode/gfm/gfm.js',
-                        'bower_components/showdown/src/showdown.js',
+                        'bower_components/showdown-ghost/src/showdown.js',
                         'bower_components/moment/moment.js',
                         'bower_components/keymaster/keymaster.js',
                         'bower_components/device/lib/device.js',

bower.json

@@ -22,7 +22,7 @@
     "nanoscroller": "0.8.4",
     "normalize-scss": "~3.0.1",
     "nprogress": "0.1.2",
-    "showdown": "git://github.com/ErisDS/showdown.git#v0.3.2-ghost",
+    "showdown-ghost": "0.3.4",
     "validator-js": "3.22.1",
     "google-caja": "5669.0.0"
   }

core/server/models/post.js

@@ -3,7 +3,7 @@ var _              = require('lodash'),
     uuid           = require('node-uuid'),
     Promise        = require('bluebird'),
     errors         = require('../errors'),
-    Showdown       = require('showdown'),
+    Showdown       = require('showdown-ghost'),
     ghostgfm       = require('../../shared/lib/showdown/extensions/ghostgfm'),
     converter      = new Showdown.converter({extensions: [ghostgfm]}),
     ghostBookshelf = require('./base'),

core/test/unit/showdown_client_integrated_spec.js

@@ -9,7 +9,7 @@
 var should      = require('should'),
 
 // Stuff we are testing
-    Showdown    = require('showdown'),
+    Showdown    = require('showdown-ghost'),
     ghostgfm            = require('../../shared/lib/showdown/extensions/ghostgfm'),
     ghostimagepreview   = require('../../shared/lib/showdown/extensions/ghostimagepreview'),
 

package.json

@@ -58,7 +58,7 @@
         "request": "2.47.0",
         "rss": "1.0.0",
         "semver": "4.1.0",
-        "showdown": "https://github.com/ErisDS/showdown/archive/v0.3.2-ghost.tar.gz",
+        "showdown-ghost": "0.3.4",
         "sqlite3": "3.0.2",
         "unidecode": "0.1.3",
         "validator": "3.22.1",