Update to progstr-filer 0.8.4

Author: hdeshev

Gemfile.lock

@@ -56,9 +56,9 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.17.2)
     multi_json (1.0.4)
-    pg (0.12.2)
+    pg (0.13.1)
     polyglot (0.3.3)
-    progstr-filer (0.8.3)
+    progstr-filer (0.8.4)
       activemodel (>= 3.0.0)
       activerecord (>= 3.0.0)
       multi_json
@@ -93,7 +93,7 @@ GEM
       json (~> 1.4)
     rest-client (1.6.7)
       mime-types (>= 1.16)
-    sass (3.1.14)
+    sass (3.1.15)
     sass-rails (3.1.5)
       actionpack (~> 3.1.0)
       railties (~> 3.1.0)