add sofia profile <profile> gwlist up|down to list up or downed profiles for feeding into mod distributor to exclude dead gateways

switch_utils: Add day of week 3 letter initial usage in "wday" field in the dialplan.  Example : mon-fri.  Using number as before is still supported.  Several public switch function are available.

switch_utils: Add date time range string compare function switch_fulldate_cmp. It usable in XML dialplan with date-time. String format example : 2009-10-10 14:33:22~2009-11-10 17:32:31.

switch_utils: Add time of day string compare function switch_tod_cmp.  It usable in XML dialplan with time-of-day.  String format is hh:mm:ss you can define a range like this : 09:00-17:00  (Second are not optional)

reverse the linked list in ivr menus to support accidental feature of multiple entries for the same keys

 If sip_invite_domain is used lets use it for rpid_domain no matter what because I know best if I set it

presence tweaks and addition of all-reg-options-ping which is like nat-options-ping only for every registered host