Update some gems (#3854)

Gemfile.lock

@@ -318,7 +318,7 @@ GEM
     cucumber-wire (6.2.1)
       cucumber-core (~> 10.1, >= 10.1.0)
       cucumber-cucumber-expressions (~> 14.0, >= 14.0.0)
-    daemons (1.3.1)
+    daemons (1.4.1)
     dalli (3.2.4)
     database_cleaner (2.0.2)
       database_cleaner-active_record (>= 2, < 3)
@@ -514,7 +514,7 @@ GEM
     multi_test (0.1.2)
     multi_xml (0.6.0)
     mustache (1.1.1)
-    mysql2 (0.5.3)
+    mysql2 (0.5.6)
     n_plus_one_control (0.6.2)
     net-http-digest_auth (1.4.1)
     net-http-persistent (4.0.2)
@@ -763,7 +763,7 @@ GEM
     ruby-oci8 (2.2.12)
     ruby-openid (2.9.2)
     ruby-plsql (0.8.0)
-    ruby-prof (0.17.0)
+    ruby-prof (1.6.3)
     ruby-progressbar (1.11.0)
     ruby-rc4 (0.1.5)
     ruby2_keywords (0.0.5)
@@ -848,7 +848,7 @@ GEM
     test_xml (0.1.8)
       diffy (~> 3.0)
       nokogiri (>= 1.3.2)
-    thin (1.7.2)
+    thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)