Bugifx. rooms weren't shown if converse-minimize was disabled.

src/converse-minimize.js

@@ -186,8 +186,6 @@
                     var result = this._super.initialize.apply(this, arguments);
                     if (this.model.get('minimized')) {
                         this.hide();
-                    } else {
-                        this.show();
                     }
                     return result;
                 }

src/converse-muc.js

@@ -195,6 +195,7 @@
                     this.join(null, {'maxstanzas': converse.muc_history_max_stanzas});
                     this.fetchMessages();
                     this.$el.insertAfter(converse.chatboxviews.get("controlbox").$el);
+                    this.show();
                     converse.emit('chatRoomOpened', this);
                 },