bump omniauth-tumblr as tumblr made breaking api changes

Gemfile

@@ -21,7 +21,7 @@ gem 'remotipart', '1.0.2'
 
 gem 'omniauth', '1.1.1'
 gem 'omniauth-facebook', '1.3.0'
-gem 'omniauth-tumblr', '1.0'
+gem 'omniauth-tumblr', '1.1'
 gem 'omniauth-twitter', '0.0.11'
 
 gem 'twitter', '2.0.2'

Gemfile.lock

@@ -259,7 +259,7 @@ GEM
     omniauth-oauth2 (1.0.2)
       oauth2 (~> 0.6.0)
       omniauth (~> 1.0)
-    omniauth-tumblr (1.0)
+    omniauth-tumblr (1.1)
       omniauth-oauth (~> 1.0)
     omniauth-twitter (0.0.11)
       multi_json (~> 1.3)
@@ -469,7 +469,7 @@ DEPENDENCIES
   oink (= 0.9.3)
   omniauth (= 1.1.1)
   omniauth-facebook (= 1.3.0)
-  omniauth-tumblr (= 1.0)
+  omniauth-tumblr (= 1.1)
   omniauth-twitter (= 0.0.11)
   rack-cors (= 0.2.7)
   rack-google-analytics (= 0.11.0)