PECL Packages

* Improve file with list of PECL Packages
* Changed php twig template for pecl packages list
* Fix tests setting the peclpackage data
BundleController

* Improve method to Set/Get Pecl Packages
Added root password for mysql/mariadb and fixed the hostname in the vm (needed for the mysql/mariadb role)
Vagrant Bundle

* Return the object in setters methods
Refactored the database part, each database has his own function now.
added javascript for choosing mysql or mariadb, fixed tests
use numbers instead of boolean for install param
BundleController

* Created test for indexAction
* Added method to retrieve VagrantBundle Object
* Changed vagrantBundle call to use vagrantBundle getter
PHPUnit

* Added excluded directory
BundleController

* Create test for indexAction when generateFile fail
Fix duplicate permission lines

Patterns like `^;listen.group` will only replace the default setting during the first provisioning. Future provisionings will keep appending permission lines at the end of the file, since the semi-colong of the regexp(`^;listen.group`) won't match any lines in the file.
Merge pull request #98 from iambrosi/fpm-duplicates

Fix duplicate permission lines
Added Gitter badge
Merge pull request #99 from gitter-badger/gitter-badge-1

Add a Gitter chat badge to README.md
Pecl Packages

* Added support to install PECL packages
Fixed Travis badge
BundleController

* Moved app role to the end
Merge pull request #100 from fabiorphp/master

PECL Packages Support
Merge pull request #97 from sndpl/master

Added root password for mysql/mariadb and tabs for database settings
Create CONTRIBUTING.md