make datatable not display numof page when result count can't get
fix one oauth issue.
fix pagning issue
add callback process
. change facebook contact to use datatable view
. add contact delete event
remove unuse import
. fix facebook contact service error
Merge branch 'daily_li_0110' of git://github.com/lizhe5/SampleSocial into daily_wang_li_liang_0110
. add @single for WebClass