re api changes:

- sip_param_decode() renamed to msg_param_decode()
- use msg_ctype_cmp() to check for Content-Type
stream_debug: also print local SDP address
config: add opensles to template
Merge branch 'master' into next
sndio: audio driver for OpenBSD

It was contributed by Dmitrij D. Czarkoff, thank you!
Merge branch 'master' into next
Merge pull request #5 from alfredh/next

Next
Merge branch 'master' into ausrc_api