FIX: Bump onebox version to include imgur security fix

FIX: Bump onebox version to include imgur security fix

diff --git a/Gemfile.lock b/Gemfile.lock
index 8f894e2..9f6780d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -258,7 +258,7 @@ GEM
     omniauth-twitter (1.4.0)
       omniauth-oauth (~> 1.1)
       rack
-    onebox (1.8.76)
+    onebox (1.8.77)
       htmlentities (~> 4.3)
       moneta (~> 1.0)
       multi_json (~> 1.11)
@@ -511,7 +511,7 @@ DEPENDENCIES
   omniauth-oauth2
   omniauth-openid
   omniauth-twitter
-  onebox (= 1.8.76)
+  onebox (= 1.8.77)
   openid-redis-store
   pg
   pry-nav

GitHub sha: fb911766