install wkhtmltopdf and xvfb
NFS: add NFS default support.

Add default NFS support. This allows faster file sharing than with the
standard VM sharing protocol. This is espacially useful when working
with projects with a large codebase (Like a full Symfony2 installation).
README: add consistent styling.
Adds warning: NFS is not supported on Windows hosts
Merge branch 'jelmersnoeck-feature-nfs-support'
Fixes typo in README: phpMyAdmin vs phpMyADmin
Updates config.yml.example with more example configurations
add chef recipe to install wkhtmltopdf (static)
add test for wkhtmltopdf
fix wkhtmltopdf documentation in README
cleanup the wkhtmltopdf recipe
Adds option for custom IP
Merge branch 'wkhtmltopdf' of git://github.com/Dextro/sneakers into Dextro-wkhtmltopdf

Conflicts:
	README.md
[chef extra::wkhtmltopdf] adds checksums
Merge branch 'Dextro-wkhtmltopdf'
Apache: vhost: fix template file source.

The template file was listed as an actual file whilst it is actually a
template file. This should be reflected as such.
Merge pull request #16 from jelmersnoeck/bugfix-rack-vhost

Apache: vhost: fix template file source.
add memcache recipe
add a template for memcached.conf
fixed pinning for dotdeb