skypopen: fixed a demented bug (incrementing a variable zeroed in the same loop) maybe responsible for moh sputtering under load on virtual machines

skypopen: brought almost all sleeps to at least 20millisec, because various platforms have no smaller granularity (eg: virtual machines). Fixed bogus values in 'sk list' report

FS-3400 skypopen: patch FS-3400 from Ivan Trifonov, Getting skype balances vie freeswitch console (and event socket)

skypopen: refining oss driver, removing audio sync during call (was each 20 secs), audio sync at the tcp interfacing with the skype client (reading more than 20ms worth)