Set contentMode to redraw on bounds changes

Author: Ivan Kovalisko

SAMTextView/SAMTextView.m

@@ -88,12 +88,6 @@ - (void)setTextAlignment:(NSTextAlignment)textAlignment {
 	[self setNeedsDisplay];
 }
 
-- (void)layoutSubviews
-{
-    [super layoutSubviews];
-    [self setNeedsDisplay];
-}
-
 #pragma mark - NSObject
 
 - (void)dealloc {
@@ -155,6 +149,7 @@ - (CGRect)placeholderRectForBounds:(CGRect)bounds {
 
 - (void)initialize {
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChanged:) name:UITextViewTextDidChangeNotification object:self];
+	self.contentMode = UIViewContentModeRedraw;
 }