update Gemfile.lock

Gemfile.lock

@@ -53,9 +53,9 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.3.8)
-    annotate (2.7.0)
+    annotate (2.7.1)
       activerecord (>= 3.2, < 6.0)
-      rake (~> 10.4)
+      rake (>= 10.4, < 12.0)
     ansi (1.5.0)
     arel (6.0.3)
     ast (2.2.0)
@@ -72,16 +72,7 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    brakeman (3.2.1)
-      erubis (~> 2.6)
-      haml (>= 3.0, < 5.0)
-      highline (>= 1.6.20, < 2.0)
-      ruby2ruby (~> 2.3.0)
-      ruby_parser (~> 3.8.1)
-      safe_yaml (>= 1.0)
-      sass (~> 3.0)
-      slim (>= 1.3.6, < 4.0)
-      terminal-table (~> 1.4)
+    brakeman (3.3.0)
     builder (3.2.2)
     bullet (5.0.0)
       activesupport (>= 3.0.0)
@@ -216,7 +207,6 @@ GEM
     haml (4.0.7)
       tilt
     hashie (3.4.4)
-    highline (1.7.8)
     hiredis (0.6.1)
     httparty (0.13.7)
       json (~> 1.8)
@@ -297,6 +287,11 @@ GEM
     phantomjs (2.1.1.0)
     powerpack (0.1.1)
     ptools (1.3.3)
+    public_activity (1.5.0)
+      actionpack (>= 3.0.0)
+      activerecord (>= 3.0)
+      i18n (>= 0.5.0)
+      railties (>= 3.0.0)
     puma (3.4.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
@@ -343,7 +338,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.1.0)
-    rake (10.5.0)
+    rake (11.1.2)
     rdoc (4.2.2)
       json (~> 1.4)
     redis (3.3.0)
@@ -366,10 +361,7 @@ GEM
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-graphviz (1.2.2)
     ruby-progressbar (1.8.0)
-    ruby2ruby (2.3.0)
-      ruby_parser (~> 3.1)
-      sexp_processor (~> 4.0)
-    ruby_parser (3.8.1)
+    ruby_parser (3.8.2)
       sexp_processor (~> 4.1)
     rubycritic (2.9.0)
       colorize
@@ -381,8 +373,6 @@ GEM
       ruby_parser (~> 3.8)
       virtus (~> 1.0)
     rubyzip (1.2.0)
-    safe_yaml (1.0.4)
-    sass (3.4.22)
     screencap (0.1.4)
       phantomjs
     sdoc (0.4.1)
@@ -399,7 +389,7 @@ GEM
     shoulda-context (1.2.1)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
-    sidekiq (4.1.1)
+    sidekiq (4.1.2)
       concurrent-ruby (~> 1.0)
       connection_pool (~> 2.2, >= 2.2.0)
       redis (~> 3.2, >= 3.2.1)
@@ -481,6 +471,7 @@ DEPENDENCIES
   omniauth-twitter
   paperclip
   pg
+  public_activity
   puma
   pundit
   rack-cors