Update hackathon_manager to 0.5.7

Gemfile.lock

@@ -44,13 +44,13 @@ GEM
       railties (>= 4.0)
     ansi (1.5.0)
     arel (8.0.0)
-    aws-sdk (2.10.109)
-      aws-sdk-resources (= 2.10.109)
-    aws-sdk-core (2.10.109)
+    aws-sdk (2.10.112)
+      aws-sdk-resources (= 2.10.112)
+    aws-sdk-core (2.10.112)
       aws-sigv4 (~> 1.0)
       jmespath (~> 1.0)
-    aws-sdk-resources (2.10.109)
-      aws-sdk-core (= 2.10.109)
+    aws-sdk-resources (2.10.112)
+      aws-sdk-core (= 2.10.112)
     aws-sigv4 (1.0.2)
     bcrypt (3.1.11)
     better_errors (2.4.0)
@@ -84,7 +84,7 @@ GEM
     css_parser (1.6.0)
       addressable
     debug_inspector (0.0.3)
-    devise (4.3.0)
+    devise (4.4.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0, < 5.2)
@@ -128,7 +128,7 @@ GEM
     guard-minitest (2.4.6)
       guard-compat (~> 1.2)
       minitest (>= 3.0)
-    hackathon_manager (0.5.6)
+    hackathon_manager (0.5.7)
       ajax-datatables-rails (~> 0.4.0)
       aws-sdk (~> 2.0)
       blazer
@@ -216,7 +216,7 @@ GEM
     mimemagic (0.3.2)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.11.1)
     minitest-rails (3.0.0)
       minitest (~> 5.8)
       railties (~> 5.0)
@@ -230,7 +230,7 @@ GEM
     multipart-post (2.0.0)
     mysql2 (0.4.10)
     nenv (0.3.0)
-    nio4r (2.1.0)
+    nio4r (2.2.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
@@ -242,7 +242,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.7.1)
+    omniauth (1.8.1)
       hashie (>= 3.4.6, < 3.6.0)
       rack (>= 1.6.2, < 3)
     omniauth-mlh (0.3.1)
@@ -325,7 +325,7 @@ GEM
       sexp_processor (~> 4.9)
     safely_block (0.2.0)
       errbase
-    sass (3.5.4)
+    sass (3.5.5)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)