fix vm_inject to a group and change syntax for sending to a whole domain to domain= for clarity sake

mod_voicemail: Allow to forward a message or send it via email key during the playback of the recording, not just when the menu is playing.

Useful for module made outside of fs source tree like mod_com_g729.  When you delete your lib bin mod folder after a clean install, you don't have to remember to recopy mod_com_g729 if located in mod_com folder.

mod_directory: Add variable directory_search_order to allow to search by first name by default is set to "first_name"

mod_commands: Fix user_data returning the first value found instead of the last.  Also add support to get variable from the group.

fix things.

with some machines, which seem to send them when no operator is around.

Fix for T.38 gateway not kicking off or ending transmission under certain
timing conditions.

mod_callcenter: Alot of cleanup.  Added max-wait-time and max-wait-time-with-no-agent param to a queue.

max-wait-time : allow to make the caller quit the queue after X number of waited second.  The second one allow
max-wait-time-with-no-agent : This will wait for a range of second with no agent before kicking the member out of the queue.  This allow safe shift change with all agents login out and back in

I've changed the Event value from CC-Name to either CC-Agent or CC-Queue.  So watchout for your current event socket apps.  Sorry about this change.

Lot to be tested in this commit.  Please use Jira to post problems, and new feature request can be added at the bottom of the wiki page.