[oe] packages versioning

[Mr Dash Four]

>> Is there a way I could force/select a particular version of a specific
>> package in a given target?
>>
>> I am building my fso-console-image and I would like it to use udev-165
>> instead of udev-162, but I can't find a way to alter this. I could build
>> udev-165 separately - no problem, but don't know how to integrate this into
>> the main task of building the image itself.
>>     
>
> PREFERRED_VERSION_udev = "165"
>
>   
>> Also, is there a way I can include additional packages as part of that
>> fso-console-image build? I'd like to have openvpn, a different version of
>> wpa_supplicant, openssl etc.
>>     
>
> IMAGE_INSTALL_append = " openvpn"
>   
Superb, thank you! One more query regarding this - how do I remove 
packages I do not want included in the final image? Is there a way to do 
that (fairly) easily?