Use new ice settings name

darcs-hash:20100222130910-58252-a280da1582b3b7ea3fbd09070f693f43c516ae5a
Fixed CPIM implementation and improved ChatStream interface

Ignore-this: 1d5e9f1ad2c3592dd908b15556bbbe56

darcs-hash:20100222170325-1e3d8-1ab24a3304af4b1b92b26cc61ffbec291607c572