Update jquery.i18n to dd14827

Changes:
* b00217d: build: Remove unused 'pkg' property in Gruntfile
* 5404f66: Use String#slice instead of String#substr or String#substring
* b612e92: Fix \t masquerading as a space
* 07c3fae: Add capability to set attributes and raw HTML

Change-Id: I5352032a1cef9de9afdcc3717804c4957528dfd3

lib/jquery.i18n/jquery.i18n.parser.js

@@ -123,7 +123,7 @@
 				return function () {
 					var result = null;
 
-					if ( message.substr( pos, len ) === s ) {
+					if ( message.slice( pos, pos + len ) === s ) {
 						result = s;
 						pos += len;
 					}
@@ -134,7 +134,7 @@
 
 			function makeRegexParser( regex ) {
 				return function () {
-					var matches = message.substr( pos ).match( regex );
+					var matches = message.slice( pos ).match( regex );
 
 					if ( matches === null ) {
 						return null;