Merge pull request #91 from alseageo/no-cache-ios

set cacheAge to 0 so resources are always revalidated like on Android

Author: fchasen

ios/FPStaticServer.m

@@ -77,7 +77,7 @@ - (dispatch_queue_t)methodQueue
     NSString *basePath = @"/";
     NSString *directoryPath = self.www_root;
     NSString *indexFilename = @"index.html";
-    NSUInteger cacheAge = 3600;
+    NSUInteger cacheAge = 0;
     BOOL allowRangeRequests = YES;
     [_webServer addHandlerWithMatchBlock:^GCDWebServerRequest*(NSString* requestMethod, NSURL* requestURL, NSDictionary<NSString*, NSString*>* requestHeaders, NSString* urlPath, NSDictionary<NSString*, NSString*>* urlQuery) {
         if (![requestMethod isEqualToString:@"GET"]) {