redid start and contacts dialogs

Ignore-this: 206d75775192eaa8991679c66961225a

darcs-hash:20140828193412-c21fe-5bd122bbd9a5becf16844f9de678e394c1cbea4b
reduce network traffic on keep alives

Ignore-this: c110886ce5fc2cc0648c8214022e9e86

darcs-hash:20140828193530-c21fe-59019ceee9c510876c1cf441d0dcfd7ac4843d29