Updated to latest stable release

Removed Drupal patch (issue fixed in version 7.21)

Removed BuildRoot directive; using RPM default

Renamed deprecated directive Prereq to Requires(pre)
Added package dependencies - latest stable release
Removed BuildRoot directive; using RPM default

Renamed deprecated directive BuildPrereq to BuildRequires
Updated to latest stable release

Removed BuildRoot directive; using RPM default

Renamed deprecated directive Prereq to Requires(pre)
Renamed deprecated directive Prereq to Requires(pre)