Bump podspec version number

Author: irace

TMTumblrSDK.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'TMTumblrSDK'
-  s.version      = '1.0.5'
+  s.version      = '1.0.6'
   s.summary      = 'An unopinionated and flexible library for easily integrating Tumblr data into your iOS or OS X application.'
   s.author       = { 'Bryan Irace' => '[email protected]' }
   s.homepage     = 'http://tumblr.github.com/TMTumblrSDK'