Adding Swap to Vaprobash

- See #338
- Adds optional Swap to the Vagrant box using a new variable called `server_swap`. Set it to `false` if you don't want any Swap.
- Will fix #336
Merge pull request #342 from Ilyes512/add-swap

Adding Swap to Vaprobash
Merge branch 'develop' of https://github.com/Ayima/Vaprobash

# By Ilyes512
# Via Chris Fidao (1) and Ilyes512 (1)
* 'develop' of https://github.com/Ayima/Vaprobash:
  Adding Swap to Vaprobash
Merge branch 'develop'
fixing couchbase PHP extension install for 5.5
Merge pull request #350 from shift31/develop

fixing couchbase PHP extension install for 5.5
redis using a ppa
-qq used for installing, and consistenly applied in arg order
vhost assumes php.
Apache remotes proxypassmatch if php/hhbm is not installed
Merge branch 'develop'
First stable release!
Releases will now follow semver.
New features will be added in at a slower pace, with bug fixes taking
priority.
using mpm-event with apache2 instead of pre-fork
updating apache to use mpm_event
Installing the newer version
Using mpm_event in Apache install
adding ruby191dev to fix #312
Installing ruby1.9.1-dev to fix #312
Merge pull request #357 from mohitmamoria/master

Installing the newer version
Update Comment VagrantFile

Just a little word fix
Merge pull request #359 from jojovem/master

Update Comment VagrantFile