Fix podspec lint errors

Author: phatmann

Lela/KIFUITestActor+Lela.h

@@ -6,7 +6,7 @@
 //  Copyright (c) 2013 Brian Nickel. All rights reserved.
 //
 
-#import <KIFUITestActor.h>
+#import <KIF/KIFUITestActor.h>
 
 extern NSString * const LECompareOptionThresholdPixels;
 

Lela/KIFUITestActor+Lela.m

@@ -7,7 +7,7 @@
 //
 
 #import "KIFUITestActor+Lela.h"
-#import <NSError-KIFAdditions.h>
+#import <KIF/NSError-KIFAdditions.h>
 #import "Lela.h"
 #import <XCTest/XCTest.h>
 

Lela/Lela.mm

@@ -90,15 +90,9 @@ + (UIImage *)expectedImageWithName:(NSString *)name
 + (UIImage *)captureScreenshot
 {
     // Create a graphics context with the target size
-    // On iOS 4 and later, use UIGraphicsBeginImageContextWithOptions to take the scale into consideration
-    // On iOS prior to 4, fall back to use UIGraphicsBeginImageContext
     CGRect imageRect = [self.class currentScreenBoundsDependOnOrientation];
     CGSize imageSize = imageRect.size;
-    if (NULL != &UIGraphicsBeginImageContextWithOptions)
-        UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);
-    else
-        UIGraphicsBeginImageContext(imageSize);
-
+    UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);
     CGContextRef context = UIGraphicsGetCurrentContext();
 
     // Iterate over every window from back to front