Bump versioning for 0.19.0 release

# Conflicts:
#	SnapKit.podspec

CHANGELOG.md

@@ -1,6 +1,13 @@
 CHANGELOG
 =======
 
+# 0.19.0 - January 21 2015
+
+* Improved `.insets()` for `width` and `height` #183
+* Added Carthage tvOS support #179
+* Added Package.swift #175
+* Codesign is set to Distribution on Release #181
+
 # 0.15.0 - September 22 2015
 
 * Fixed issues with layout guides on iOS 9
@@ -36,4 +43,4 @@ CHANGELOG
 
 * Re-worked some internal API to allow for future updates
 * Added `snp_prepareConstraints -> [Constraint]` which allows pre-building of constraints
-* Added a fatal error to `and` when it is used after relation has been set
+* Added a fatal error to `and` when it is used after relation has been set

SnapKit.podspec

@@ -1,17 +1,17 @@
 Pod::Spec.new do |s|
   s.name = 'SnapKit'
-  s.version = '0.16.0'
+  s.version = '0.19.0'
   s.license = 'MIT'
   s.summary = 'Harness the power of auto layout with a simplified, chainable, and compile time safe syntax.'
   s.homepage = 'https://github.com/SnapKit/SnapKit'
   s.authors = { 'Robert Payne' => 'robertpayne@me.com' }
   s.social_media_url = 'http://twitter.com/robertjpayne'
-  s.source = { :git => 'https://github.com/SnapKit/SnapKit.git', :tag => '0.16.0' }
+  s.source = { :git => 'https://github.com/SnapKit/SnapKit.git', :tag => '0.19.0' }
 
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.10'
   s.tvos.deployment_target = '9.0'
-  
+
   s.source_files = 'Source/*.swift'
 
   s.requires_arc = true