bump version to 1.3.6

BatteryView.podspec

@@ -2,7 +2,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "BatteryView"
-  s.version      = "1.3.5"
+  s.version      = "1.3.6"
   s.summary      = "Simple battery shaped UIView."
 
   s.description  = <<-DESC

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.3.6] - 2019-07-10
 
 ### Added
 - when the level is undefined or out of bounds, show question mark on battery (configurable via `noLevelText`).