Add Gzip offenders

lib/tools/weightChecker/fileMinifier.js

@@ -121,7 +121,7 @@ var FileMinifier = function() {
             });
 
         } else {
-            debug('File type %s is not an (optimizable) image', entry.contentType);
+            debug('Not minfiable type or already minified');
             deferred.resolve(entry);
         }
 

lib/tools/weightChecker/gzipCompressor.js

@@ -41,6 +41,7 @@ var GzipCompressor = function() {
                 }
             });
         } else {
+            
             deferred.resolve(entry);
         }
 

lib/tools/weightChecker/imageOptimizer.js

@@ -143,7 +143,7 @@ var ImageOptimizer = function() {
             });
 
         } else {
-            debug('File type %s is not an (optimizable) image', entry.contentType);
+            debug('File type %s is not an optimizable image', entry.contentType);
             deferred.resolve(entry);
         }
 
@@ -167,7 +167,7 @@ var ImageOptimizer = function() {
     }
 
     function isSVG(entry) {
-        return entry.isImage && entry.contentType === 'image/svg+xml';
+        return entry.isImage && entry.isSVG;
     }
 
     function compressJpegLosslessly(imageBody) {