Added ignore of .project
Updated default java flavor as sun is no longer provided by the java
cookbook
Updated Alfresco download to 4.2.a
Updated java setting for latest cookbook and JDK 7 required by Alfresco
4.2
Changed method of setting java jdk_version
Alfresco seems to want a little more memory these days
Moved atributes initalization so optional changes from included recipes are retrieved
Updated alfresco version to 4.2.c
Added support for libreoffice (for ubuntu > 10.04) in default attributes
Added simple backup script
Defer to and use mysql cookbook ruby recipe

to install mysql gem and dependencies