Update submodule refs.
Updates jenkins user groups.
Documents updating steps needed when upgrading VM

This is tentative, not sure if it is correct.
Updated instructions from mcamiano. Added docs re: phantomjs.
Merge pull request #42 from mcamiano with modifications.

Closes #42.
Adds a few more aliases to base dotfiles.
Merge branch 'master' of github.com:mdwheele/vm
Fixes newlines in bash profile.
Implements basic custom configuration for users to overwrite box settings in a yaml file.
Sets default memory to 2048. Adds step to make sure a config.yaml exists based on the dist version.
Adds documentation.
Merge pull request #44 from mdwheele/feature/custom-user-config

Implements Custom User Configuration
Adds two plugins to Jenkins.
Oh em gee tabs got into muh Vagrantfile nooooooo.
Implements more graceful mechanism for managing custom configs. Thanks @thejmather!
Merge commit.
Adds QoL functions for Behat and phpspec.
Adds color to output for behat and phpspec.
Updates to submodules.
Updates to submodules and adds new git alias for showing files assumed unchanged.