fix error display comment in cooperation
add XListView,it's make listview more sex!
fix mistake in business & improve  the time-out in RestClient
communication support delete and edit
bussiness & communication support new widget & add `my`
group & activity support new widget!
remove mycreate in Group.
support upload avatar in group
activity support upload pic
support manage activity usership
Merge pull request #10 from Jayin/master

in 2.11