Upgraded Ruby versions in config/doc files

.ruby-version

@@ -1 +1 @@
-2.3.1
+2.3.2

.travis.yml

@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - "2.3.1"
+  - "2.3.2"
 before_script: rake db:setup
 before_script: bundle exec rake db:setup
 cache: bundler

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.3.1
+FROM ruby:2.3.2
 RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
 RUN mkdir /myapp
 WORKDIR /myapp

README.md

@@ -4,14 +4,14 @@ RailsGoat is a vulnerable version of the Ruby on Rails Framework both versions 3
 
 ## Support
 
-If you are looking for support or troubleshooting assistance, please visit our [OWASP Slack Channel](https://owasp.slack.com/messages/project-railsgoat/). 
+If you are looking for support or troubleshooting assistance, please visit our [OWASP Slack Channel](https://owasp.slack.com/messages/project-railsgoat/).
 
 ## Getting Started
 
 To begin, install the Ruby Version Manager (RVM):
 
 ```bash
-$ curl -L https://get.rvm.io | bash -s stable --autolibs=3 --ruby=2.3.1
+$ curl -L https://get.rvm.io | bash -s stable --autolibs=3 --ruby=2.3.2
 ```
 
 After installing the package, clone this repo:
@@ -20,7 +20,7 @@ After installing the package, clone this repo:
 $ git clone git@github.com:OWASP/railsgoat.git
 ```
 
-**NOTE: NOT NECESSARY IF YOU WANT TO WORK WITH RAILS 4.** Otherwise, if you wish to use the Rails 3 version, you'll need to switch branches 
+**NOTE: NOT NECESSARY IF YOU WANT TO WORK WITH RAILS 4.** Otherwise, if you wish to use the Rails 3 version, you'll need to switch branches
 
 ```bash
 $ cd railsgoat
@@ -62,7 +62,7 @@ To run Railsgoat with Vagrant you must first have [Vagrant](https://www.vagrantu
 $ vagrant up
 ...
     railsgoat:   Port: 3000:3000
-    railsgoat:  
+    railsgoat:
     railsgoat: Container created: 3084633a81675346
 ==> railsgoat: Starting container...
 ==> railsgoat: Provisioners will not be run since container doesn't support SSH.