FS-4692 gsmopen: patch from Ivan Mironov allowing for values 'context', 'dialplan', 'destination' and 'hold_music' from configuration file global_settings used by default for individual interfaces

FS-4691 gsmopen: patch from Ivan Mironov allowing for longer device names, useful for symlinks created by udev

FS-4659 gsmopen: give error and abort call when dialing was not through correctly (eg: get back OK). Also, grow the default timeout when expecting a string back from the modem to half a second - 500000 usec - so to avoid false negatives

6b7d5e5a was actually wrong, I was sick that day, I should have gotten more rest.. =/

Adding ability to toggle mod_xml_radius debug flag from a console api command rather than having to rebuild and reload the module.

add NUTAG_RETRY_AFTER_ENABLE() tag to lib sofia and use it in mod_sofia to disable processing retry-after headers on a per-call basis

mostly trivial windows fixes for last several commits - anthm pthread_self in mod_dptools is not in scope for windows? commented out.

Remove potential infinate loop when caller hung up before audio completed. Thanks to telapi.com for the patch

FS-4781 --resolve I added some more code to the jb for seq but I still think the timestamp is more reliable than the seq since we can't know if the rtp is passing over a media proxy who may preserve the timestamps but still rewrite the seq, its more likely the ts shows the more accurate order of the rtp stream