Add call to composer update in wp-cli section, to make sure any new dependencies are added

I just ran into this error message that was caused by a dependency being added to wp-cli, but not being loaded to my preexisting vvv install.

    PHP Fatal error:  Call to undefined function array_column() in /srv/www/wp-cli/php/WP_CLI/SynopsisValidator.php on line 17
Merge pull request #115 from cmmarslender/patch-1

Add call to composer update in wp-cli section, to make sure any new depe...
Update contributors list
Merge pull request #114 from mintindeed/master

Add Webgrind for profiling
Update contributors list
Ignore the webgrind directory as part of the repo
Python 2.7 is already provided by Vagrant and/or the box, no need to specify
Disable Nginx 404 handler for static assets

This extra production-minded rule prevents some useful plugins from working
properly, such as Dependency Minification and Media Placeholders, since
they rely on the WordPress handling requests to JS, CSS, and images.
Merge pull request #117 from x-team/disable-static-asset-404s

Disable Nginx 404 handler for static assets
Move xdebug controls to executable files

This makes the files accessible to use outside of an interactive shell environment.
Rename default config to always come first

If a custom config file is added that starts with a number or A-C, it will be the first server defined in Nginx. That means the ip address by itself will not point to the default server, but rather whatever server is defined first.
Revert "Rename default config to always come first"

This reverts commit 7af430d5bb368fc0d55705483c147d22aec09162.
Use the default_server designation
Swapping out unnecessary function for __return_true
Install nodejs from pap to ensure we always have a recent version
Update version of WordPress in readme

Provisioner installs the latest stable WordPress, which is now 3.6.0
Install or update grunt cli when provisioning server
Add grunt autocompletion
List grunt and nodejs in readme
Merge pull request #126 from aaronjorbin/patch-1

Update version of WordPress in readme