generalizing the instalation of php modules (through pear)

fixes #257

Signed-off-by: Matthew Thode <mthode@mthode.org>
disabling bad cop

Signed-off-by: Matthew Thode <mthode@mthode.org>
Merge pull request #269 from rackspace-cookbooks/pfire

generalizing the instalation of php modules (through pear)