twitter: In non-OAuth case check we have a proxy, a username and password
twitter: In non-OAuth case check we have a proxy, a username and password

Avoids a crash if you don't have a username and password set.

ThomasBollmeier/libsocialweb-flickr-oauth,lcp/libsocialweb,GNOME/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth,lcp/mojito,GNOME/libsocialweb,lcp/libsocialweb,lcp/mojito,lcp/libsocialweb,GNOME/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth,lcp/mojito