bump to 0.5.10.2

Changelog.md

+# 0.5.10.2
+
+Update to Rails 4.2.7.1 which fixes [CVE-2016-6316](https://groups.google.com/forum/#!topic/ruby-security-ann/8B2iV2tPRSE) and [CVE-2016-6317](https://groups.google.com/forum/#!topic/ruby-security-ann/WccgKSKiPZA).
+
 # 0.5.10.1
 
 We made a mistake and removed `mysql2` from the `Gemfile.lock` in a recent gem update. Since this could cause some issues for some installations, we decided to release a hotfix.

config/defaults.yml

@@ -4,7 +4,7 @@
 
 defaults:
   version:
-    number: "0.5.10.1" # Do not touch unless doing a release, do not backport the version number that's in master
+    number: "0.5.10.2" # Do not touch unless doing a release, do not backport the version number that's in master
   heroku: false
   environment:
     url: "http://localhost:3000/"