add usage of application.root parameter
rename parameter "root" to "app_root"
Merge pull request #5 from Youscribe/addRoot

[COOK-2395] add usage of application.root parameter
[COOK-2395] Add a root path (default to /)

This was originally applied to opscode-cookbooks/application. It turns
out that this is probably only a pattern for php application
repositories. If this functionality is required for other application
types (ruby, python) it can be re-evaluated to add in the base
application cookbook's resource.
[COOK-2395] - adjust app_root attribute

The app_root attribute is moved to this cookbook rather than being in
the application cookbook.
[COOK-2510] Change app_root to mod_php_apache2 resource attribute.
Merge pull request #6 from ryandub/master

[COOK-2510] Change app_root to mod_php_apache2 resource attribute.
Allow webapp parameters to be overriden
Add support for symfony deployments
Add cakephp required bits
Isolate parameters template to symfony subdirectory
Lots of fun new stuff
Update base php app LWRP

* Make local settings file optional
* Use library to install pear packages
* Allow search/replace of database information
Set discovered hostname for database connections if found
Update base helper naming to provide more clarity
Set recursive for directory creation
Ensure all required directories are provided for the framework
Fix up required app directories
Merge branch 'COOK-2539'
[COOK-2827] - coerce cookbook_name to string