FEATURE #1522: add orbit slider

Had to change some things in global widgets management and also in html code widget. Sorry for this ugly commit..

database/migrations/2016_03_31_214730_MakeUserIdNotMandatoryInDirectories.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class MakeUserIdNotMandatoryInDirectories extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('directories', function (Blueprint $table) {
+            $table->integer('user_id', false)
+                  ->nullable()
+                  ->default(null)
+                  ->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('directories', function (Blueprint $table) {
+            $table->integer('user_id', false)
+                  ->nullable(false)
+                  ->change();
+        });
+    }
+}

database/migrations/2016_03_31_225203_AddNameForFiles.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddNameForFiles extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('files', function (Blueprint $table) {
+            $table->string('name')
+                  ->after('file_size')
+                  ->comment('Some human readable name of file. May be used in different ways');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('files', function (Blueprint $table) {
+            $table->dropColumn('name');
+        });
+    }
+}