Fixed #216, Fixed #217, For #160, #204, layoutIfNeededOnUpdate is default to NO

Author: hackiftekhar

IQKeyBoardManager/IQKeyboardManager.m

@@ -261,7 +261,7 @@ -(instancetype)init
             [self setShouldAdoptDefaultKeyboardAnimation:YES];
             [self setShouldRestoreScrollViewContentOffset:NO];
             [self setToolbarManageBehaviour:IQAutoToolbarBySubviews];
-            [self setLayoutIfNeededOnUpdate:YES];
+            [self setLayoutIfNeededOnUpdate:NO];
 
             //Initializing disabled classes Set.
             _disabledClasses = [[NSMutableSet alloc] initWithObjects:[UITableViewController class], nil];