Prep v0.9.0 release

Release notes:

- Added `paddingDistance` to `RSColorPickerView` public API.
- Added unit tests to make contributions easier to judge
- Updated comments in `RSColorPickerView.h`

RSColorPicker.podspec

@@ -1,16 +1,16 @@
 Pod::Spec.new do |s|
   s.name         = "RSColorPicker"
-  s.version      = "0.8.3"
+  s.version      = "0.9.0"
   s.summary      = "iPhone color picker view with brightness control, opacity control, and delegation support."
   s.description  = <<-DESC
                    iPhone color picker view with brightness control, opacity control, and delegation support.
                    DESC
   s.homepage     = "https://github.com/RSully/RSColorPicker"
-  s.screenshots  = "https://raw.github.com/RSully/RSColorPicker/v0.8.3/Example01.png", "https://raw.github.com/RSully/RSColorPicker/v0.8.3/Example02.png", "https://raw.github.com/RSully/RSColorPicker/v0.8.3/Example03.png", "https://raw.github.com/RSully/RSColorPicker/v0.8.3/Example04.png", "https://raw.github.com/RSully/RSColorPicker/v0.8.3/Example05.png"
+  s.screenshots  = "https://raw.github.com/RSully/RSColorPicker/v0.9.0/Example01.png", "https://raw.github.com/RSully/RSColorPicker/v0.9.0/Example02.png", "https://raw.github.com/RSully/RSColorPicker/v0.9.0/Example03.png", "https://raw.github.com/RSully/RSColorPicker/v0.9.0/Example04.png", "https://raw.github.com/RSully/RSColorPicker/v0.9.0/Example05.png"
   s.license      = { :type => 'BSD', :file => "LICENSE.md" }
   s.author       = { "Ryan" => "rsul.dev@me.com" }
-  s.source       = { :git => "https://github.com/RSully/RSColorPicker.git", :tag => "v0.8.3" }
-  s.platform     = :ios, '5.0'
+  s.source       = { :git => "https://github.com/RSully/RSColorPicker.git", :tag => "v0.9.0" }
+  s.platform     = :ios, '6.0'
   s.source_files = 'RSColorPicker/ColorPickerClasses/**/*.{h,m}'
   s.frameworks   = 'QuartzCore', 'CoreGraphics', 'UIKit', 'Accelerate'
   s.requires_arc = true

RSColorPicker.xcodeproj/project.pbxproj

@@ -540,7 +540,7 @@
 				GCC_PREFIX_HEADER = "RSColorPicker/RSColorPicker-Prefix.pch";
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				INFOPLIST_FILE = "RSColorPicker/RSColorPicker-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 6.0;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
@@ -563,7 +563,7 @@
 				GCC_PREFIX_HEADER = "RSColorPicker/RSColorPicker-Prefix.pch";
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				INFOPLIST_FILE = "RSColorPicker/RSColorPicker-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 6.0;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				VALIDATE_PRODUCT = YES;