export ftdm_current_time_in_ms to users
	 update testr2 to test non-blocking API (no waiting on indications)

freetdm: - updated all signaling modules (except for ftmod_isdn and ftmod_sangoma_ss7) to adapt to new core state processing
         - fixed bug in configure.ac to detect ftmod_pritap compilation
         - ignore FTDM_SIGEVENT_RELEASED and FTDM_SIGEVENT_INDICATION_COMPLETED in mod_freetdm
         - Destroy the state completed interrupt on channel destroy
         - Fix analog polarity reversal bug when using 3-way calling or call-swap

         - Added locking documentation (docs/locking.txt)
	 - Updated core state advance to use state processor in span
           rather than pushing the processor in the function arguments

	 use new core state processing functions in ftmod_r2

freetdm: ftmod_r2 - use openr2 API extension to properly report incoming restricted ANI and restrict ANI on outgoing calls

change switch_strip_spaces to specify if you want it to dup the string or destroy the current buffer

                    but retrieve event from channel even when it's not

         Added new channel command FTDM_COMMAND_SET_POLARITY
         ftmod_wanpipe - Added support to enqueue polarity events on FXO lines
	 ftmod_wanpipe - Added support to set polarity on FXS lines
	 ftmod_analog - Added support to answer and hangup FXO lines on polarity reverse
	 ftmod_analog - Added support to reverse polarity in the FXS line on answer and hangup
	 mod_freetdm - Added parameters answer-on-polarity, hangup-on-polarity and polarity-delay
                       to enable those analog features

         ftmod_zt - not locking the channel on zt_channel_next_event(), minor changes