[aloha] upgraded to 0.22.7 and added textcolor plugin

* textcolor: fixed plugin bugs, added translation for zh
* image: fixed default.jpg src bug
* added 'ru' support for seaf edit
* rm aloha-0.22.3 and ununsed files in aloha-0.22.7

media/aloha-0.22.7/plugins/common/ui/lib/text.js

@@ -0,0 +1,33 @@
+define([
+	"jquery",
+	"ui/component"
+],
+function( jQuery, Component ) {
+	/**
+	 * Text component type
+	 * @class
+	 * @extend {Component}
+	 */
+	var Text = Component.extend({
+		/**
+		 * Initializes the text component
+		 * @override
+		 */
+		init: function() {
+			this._super();
+			this.element = jQuery( "<input>" )
+				.bind( "change", jQuery.proxy(function( event ) {
+					this.setValue( event.target.value );
+				}, this ) );
+		},
+
+		// invoked when the user has changed the value
+		/**
+		 * Sets the value of the text field
+		 * @param {string} value
+		 */
+		setValue: function( value ) {}
+	});
+
+	return Text;
+});