* updated pods

* added `Observable` pod as dependency for `GradientLoadingBar`

GradientLoadingBar.podspec

@@ -27,7 +27,7 @@ Inspired by https://codepen.io/marcobiedermann/pen/LExXWW
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
   s.author           = { 'Felix Mau' => 'contact@felix.hamburg' }
   s.source           = { :git => 'https://github.com/fxm90/GradientLoadingBar.git', :tag => s.version.to_s }
-  # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
+  s.social_media_url = 'https://twitter.com/iamfelixm'
 
   s.ios.deployment_target = '9.0'
 
@@ -40,4 +40,6 @@ Inspired by https://codepen.io/marcobiedermann/pen/LExXWW
   # s.public_header_files = 'Pod/Classes/**/*.h'
   # s.frameworks = 'UIKit', 'MapKit'
   # s.dependency 'AFNetworking', '~> 2.3'
+
+  s.dependency 'Observable'
 end