Merge branch 'master' of https://github.com/jessesquires/MessagesTableViewController

Author: jessesquires

JSMessagesViewController/Classes/JSMessagesViewController.m

@@ -414,8 +414,8 @@ - (void)textViewDidChange:(UITextView *)textView
 
     BOOL isShrinking = textViewContentHeight < self.previousTextViewContentHeight;
     CGFloat changeInHeight = textViewContentHeight - self.previousTextViewContentHeight;
-    
-    if(!isShrinking && self.previousTextViewContentHeight == maxHeight) {
+        
+    if(!isShrinking && (self.previousTextViewContentHeight == maxHeight || textView.text.length == 0)) {
         changeInHeight = 0;
     }
     else {