Added support for Added support for keywords 'implements', 'extends', 'factory', and 'String' in th…

tools/utils/textmate/Dart.tmbundle/Syntaxes/Dart.textmate

 {       scopeName = 'source.dart';
         fileTypes = ( 'dart' );
         foldingStartMarker = '\{\s*$';
         foldingStopMarker = '^\s*\}';
         patterns = (
                 {       name = 'meta.preprocessor.script.dart';
                         match = '^(#!.*)$';
                 },
                 {       name = 'meta.declaration.dart';
                         begin = '#\b(library|import|source|resource)\b';
@@ skipping 88 matching lines @@
                                 {       name = 'keyword.operator.arithmetic.dart';
                                         match = '(\-|\+|\*|\/|\~\/|%)';
                                 },
                                 {       name = 'keyword.operator.logical.dart';
                                         match = '(!|&&|\|\|)';
                                 },
                                 {       name = 'punctuation.terminator.dart';
                                         match = ';';
                                 },
                                 {       name = 'storage.modifier.dart';
-                                        match = '\b(static|final|native|abstract|const|class|interface|get|set|operator|external)\b';
+                                        match = '\b(static|final|native|abstract|const|class|interface|get|set|operator|external|implements|extends|factory)\b';
                                 },
                                 {       name = 'storage.type.primitive.dart';
-                                        match = '\b(?:void|bool|num|int|double|Dynamic|var)\b';
+                                        match = '\b(?:void|bool|num|int|double|Dynamic|var|String)\b';
                                 },
                         );
                 };
                 string-interp = {
                         patterns = (
                                 {       match = '\$((\w+)|\{(\w+)\})';
                                         captures = {
                                                 2 = { name = 'variable.parameter.dart'; };
                                                 3 = { name = 'variable.parameter.dart'; };
                                         };
@@ skipping 49 matching lines @@
                                         patterns = (
                                                 {       name = 'invalid.string.newline';
                                                         match = '\n';
                                                 },
                                         );
                                 },
                         );
                 };
         };
 }