added connection notification to homeactivity

if there is no wifi user will be notified to navigate to profile to see any locally saved question
Split PushItem into PushItemAnswer PushItemReply
added xml files
Merge branch 'master' of https://github.com/CMPUT301F14T11/TEAMLORT
Merge branch 'pushquefix' of https://github.com/CMPUT301F14T11/TEAMLORT into pushquefix
fixing pushque