New functions

Added cellSync module, implemented sys_spu_thread_group_join,
sys_spu_thread_group_suspend, added /dev_bdvd/ device, fixed default
values of analog sticks.
Fixed conflicts
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Minor improvements

cellFsAioRead partially implemented, cellPadInfoPressMode &
cellPadInfoSensorMode stubs
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
cellPamf partial research and implementation
cellPamf improvements
Merge pull request #47 from Nekotekina/master

cellSync, cellPamf and other