Поднял версию iOS до 9

Example/Podfile.lock

@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: ../
 
 SPEC CHECKSUMS:
-  RMRPullToRefresh: c80bde05dd42c5a32468ab282e18f9f05bc49397
+  RMRPullToRefresh: 6c25f48af80d0e5d72b89ef5d6ea0dfcc21e5444
 
 PODFILE CHECKSUM: 6bf08c33e827c034420f4dcfc61024a8ba7eab2f
 

Example/RMRPullToRefreshExample.xcodeproj/project.pbxproj

@@ -325,7 +325,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -371,7 +371,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";

RMRPullToRefresh.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
   spec.name         = "RMRPullToRefresh"
   spec.version      = "0.5.0"
-  spec.platform     = :ios, "8.0"
+  spec.platform     = :ios, "9.0"
   spec.license      = { :type => "MIT", :file => "LICENSE" }
   spec.summary      = "A pull to refresh control for UIScrollView (UITableView and UICollectionView)"
   spec.homepage     = "http://redmadrobot.com/"