Scripting in presets

User defined scripts can now be used in presets allowing dynamic values
and complex provisioning workflow.

lib/db.coffee

@@ -26,10 +26,11 @@ tasksCollection = null
 devicesCollection = null
 presetsCollection = null
 objectsCollection = null
+scriptsCollection = null
 
 
 connect = (callback) ->
-  callbackCounter = 6
+  callbackCounter = 7
   mongodb.MongoClient.connect(config.get('MONGODB_CONNECTION_URL'), {db:{w:1},server:{autoReconnect:true}}, (err, db) ->
     return callback(err) if err
     exports.mongoDb = db
@@ -71,6 +72,13 @@ connect = (callback) ->
         return callback(err)
     )
 
+    db.collection('scripts', (err, collection) ->
+      exports.scriptsCollection = scriptsCollection = collection
+      if --callbackCounter == 0 or err
+        callbackCounter = 0
+        return callback(err)
+    )
+
     exports.redisClient = redisClient = redis.createClient(config.get('REDIS_PORT'), config.get('REDIS_HOST'))
     redisClient.select(config.get('REDIS_DB'), (err) ->
       if --callbackCounter == 0 or err