[fw-gdata] Proposal for Google Email Settings API client

Hi Zend/Gdata experts,

I'm new to Zend framework and Zend/Gdata. But I needed to use
Zend/Gdata with Email Settings API. So I've made it work (for me) and
made a proposal. Please would you review it.

http://framework.zend.com/wiki/display/ZFPROP/Zend_Gdata_Gapps_EmailsSettingsEntry

- Peter Kehl