Updated VMM.Browser to better determine IE7/8 Versions

An update to browser to check for Trident Version, IE8 reports as IE7
when in certain zones.  This check determines more accurately actual IE7
or 8 version.

source/js/Core/Core/VMM.Browser.js

@@ -8,6 +8,7 @@ if(typeof VMM != 'undefined' && typeof VMM.Browser == 'undefined') {
 			this.version = this.searchVersion(navigator.userAgent)
 				|| this.searchVersion(navigator.appVersion)
 				|| "an unknown version";
+			this.tridentVersion = this.searchTridentVersion(navigator.userAgent);
 			this.OS = this.searchString(this.dataOS) || "an unknown OS";
 			this.device = this.searchDevice(navigator.userAgent);
 			this.orientation = this.searchOrientation(window.orientation);
@@ -57,6 +58,11 @@ if(typeof VMM != 'undefined' && typeof VMM.Browser == 'undefined') {
 			if (index == -1) return;
 			return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
 		},
+		searchTridentVersion: function (dataString) {
+		    var index = dataString.indexOf("Trident/");
+		    if (index == -1) return 0;
+		    return parseFloat(dataString.substring(index + 8));
+		},
 		dataBrowser: [
 			{
 				string: navigator.userAgent,

source/js/VMM.Timeline.js

@@ -411,7 +411,7 @@ if(typeof VMM != 'undefined' && typeof VMM.Timeline == 'undefined') {
 			/* GET DATA
 			================================================== */
 			if (VMM.Browser.browser == "Explorer" || VMM.Browser.browser == "MSIE") {
-				if ( parseInt(VMM.Browser.version, 10) <= 7 ) {
+			    if (parseInt(VMM.Browser.version, 10) <= 7 && (VMM.Browser.tridentVersion == null || VMM.Browser.tridentVersion < 4)) {
 					ie7 = true;
 				}
 			}