Minor documentation issue in 'custom directive' section

[ckoberlein]

The attribute that the documentation shows for overriding the bundleId is 'bundleId'. The code itself however, looks for the attribute 'bundle'.

<span gp-translation="DATA-KEY" bundleId="specialBundleId"></span>
<gp-translation key="ANOTHER-DATA-KEY" lang="de" bundleId="someOtherBundle"></gp-translation>

Should be:

<span gp-translation="DATA-KEY" bundle="specialBundleId"></span>
<gp-translation key="ANOTHER-DATA-KEY" lang="de" bundle="someOtherBundle"></gp-translation>