Contacts tags support (unstable - step 1).

+ Small fixes

dev/Models/ContactTagModel.js

@@ -0,0 +1,45 @@
+/* RainLoop Webmail (c) RainLoop Team | Licensed under CC BY-NC-SA 3.0 */
+
+/**
+ * @constructor
+ */
+function ContactTagModel()
+{
+	this.idContactTag = 0;
+	this.name = ko.observable('');
+	this.readOnly = false;
+}
+
+ContactTagModel.prototype.parse = function (oItem)
+{
+	var bResult = false;
+	if (oItem && 'Object/Tag' === oItem['@Object'])
+	{
+		this.idContact = Utils.pInt(oItem['IdContactTag']);
+		this.name(Utils.pString(oItem['Name']));
+		this.readOnly = !!oItem['ReadOnly'];
+
+		bResult = true;
+	}
+
+	return bResult;
+};
+
+/**
+ * @param {string} sSearch
+ * @return {boolean}
+ */
+ContactTagModel.prototype.filterHelper = function (sSearch)
+{
+	return this.name().toLowerCase().indexOf(sSearch.toLowerCase()) !== -1;
+};
+
+/**
+ * @param {boolean=} bEncodeHtml = false
+ * @return {string}
+ */
+ContactTagModel.prototype.toLine = function (bEncodeHtml)
+{
+	return (Utils.isUnd(bEncodeHtml) ? false : !!bEncodeHtml) ?
+		Utils.encodeHtml(this.name()) : this.name();
+};