defined get_order_limit function for conferences model
defined get_order_limit function for conference controller
Merge branch 'master' of git://github.com/gonecase/Fizzroop
return data as a result set rather than json in conference controller
create session variable for current conference id
unset the conferenceID session variable on logout
added conferenceID parameter and a corresponding where clause in view function of the abstracts model
pass a conferenceID  parameter to view function for abstracts view function
Merge branch 'master' of git://github.com/swaroopsm/Fizzroop
Added datatables options