Bump podspec, update README

Author: designatednerd

DNSCastroSegmentedControl.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "DNSCastroSegmentedControl"
-  s.version      = "1.1.1"
+  s.version      = "1.2.0"
   s.summary      = "A segmented control based on the one in the Castro Podcast app's settings page."
   s.homepage     = "https://github.com/designatednerd/DNSCastroSegmentedControl"
   s.screenshots  = "https://raw.githubusercontent.com/designatednerd/DNSCastroSegmentedControl/master/sample_project.gif"

README.md

@@ -12,6 +12,7 @@ A segmented control based on the one in the [Castro](http://castrofm.com) settin
 - Fonts for text customizable
 - Automatically responds to bounds changes, so rotation or other bounds changes are handled easily. 
 - Can calculate its own intrinsic content width given the contents of the choices. 
+- You can use a background color, a border color, or both for the selection view. 
 - Compatible with iOS 7+. 
 
 ##//TODOs