The new console log function here isn't any more of a channel log than
the old one.  The name was bad, and no one could have been using this
yet since we just ran reswig.  We'll take the same tack the kernel
developers do when replacing a function with an otherwise equivalent
one with a better API.

This allows emitting log messages that include the file name and line
number of the call.  Because we have the session object here, the log
messages can be correctly associated with the session from which they
were emitted.

As when the kernel developers need to 'fix' a system call, we'll just
add a number to the name of the existing function.

If we see a certain number of RTP packets from a host and port other
than was negotiated, we adjust to send our RTP to that host and port.
Traditionally we've waited for 10 packets.  This commit makes the
threshold adjustable by setting the channel variable
`rtp_auto_adjust_threshold` to any positive value less than 2^16.

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Merge pull request #5 in FS/freeswitch from ~KATHLEEN.KING/freeswitch-fork:clang-warnings-werror to master

* commit '1affff9d':
  Fixed a clang-3.5 missing-prototype warning and added doxygen documentation for switch_channel_set_presence_data_vals. #doxygen
  Fixed dead code.
  Fixed trucation of value warning.
  Removed a useless called to abs.
  Removed an autological-pointer-compare from src/switch_utils.c.
  Fixed trucation of value warning.

You can now enable the hardware dtmf detection and/or generation

This reverts commit b29a41bb.

This commit is no longer needed now that proper infrastructure has been
added to allow signaling modules to generate and detect DTMF

The feature macros should only be used for I/O module features
and not for signaling module features

freetdm: Added support for DTMF generation to be performed in the signaling modules (currently only used by the gsm signaling driver)