Update pod to lastest version

Modify demo，replace gif，modify pod

MJRefresh.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name         = "MJRefresh"
-  s.version      = "0.0.1"
+  s.version      = "1.0.3"
   s.summary      = "The easiest way to use pull-to-refresh"
   s.homepage     = "https://github.com/CoderMJLee/MJRefresh"
   s.license      = "MIT"
   s.authors      = { 'MJ Lee' => '199109106@qq.com'}
   s.platform     = :ios, "6.0"
-  s.source       = { :git => "https://github.com/CoderMJLee/MJRefresh.git", :tag => "0.0.1" }
+  s.source       = { :git => "https://github.com/CoderMJLee/MJRefresh.git", :tag => "1.0.3" }
   s.source_files = "MJRefreshExample/MJRefreshExample/MJRefresh/*.{h,m}"
   s.resource     = "MJRefreshExample/MJRefreshExample/MJRefresh/MJRefresh.bundle"
   s.requires_arc = true

MJRefreshExample/MJRefreshExample/Classes/MJTableViewController.m

@@ -203,9 +203,9 @@ - (void)example06
     [self.tableView addLegendHeader];
     
     // 设置文字
-    [self.tableView.header setTitle:@"下拉can刷新噻" forState:MJRefreshHeaderStateIdle];
-    [self.tableView.header setTitle:@"一放手马上刷新咯" forState:MJRefreshHeaderStatePulling];
-    [self.tableView.header setTitle:@"MJ哥正在帮你刷新..." forState:MJRefreshHeaderStateRefreshing];
+    [self.tableView.header setTitle:@"Pull down to refresh" forState:MJRefreshHeaderStateIdle];
+    [self.tableView.header setTitle:@"Release to refresh" forState:MJRefreshHeaderStatePulling];
+    [self.tableView.header setTitle:@"Loading ..." forState:MJRefreshHeaderStateRefreshing];
     
     // 设置字体
     self.tableView.header.font = [UIFont systemFontOfSize:15];
@@ -377,9 +377,9 @@ - (void)example17
     [self.tableView addLegendFooter];
     
     // 设置文字
-    [self.tableView.footer setTitle:@"轻点或者轻拽可加载更多" forState:MJRefreshFooterStateIdle];
-    [self.tableView.footer setTitle:@"MJ哥正在帮你加载..." forState:MJRefreshFooterStateRefreshing];
-    [self.tableView.footer setTitle:@"没有再多的数据了" forState:MJRefreshFooterStateNoMoreData];
+    [self.tableView.footer setTitle:@"Click or drag up to refresh" forState:MJRefreshFooterStateIdle];
+    [self.tableView.footer setTitle:@"Loading more ..." forState:MJRefreshFooterStateRefreshing];
+    [self.tableView.footer setTitle:@"No more data" forState:MJRefreshFooterStateNoMoreData];
     
     // 设置字体
     self.tableView.footer.font = [UIFont systemFontOfSize:17];