- change references to the "scx" jitterbuffer to be called "fixed" and change
  references to the "stevek" jitterbuffer to be called "adaptive", instead


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@31356 65c4cc65-6c06-0410-ace0-fbb531ad65f3

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@31101 65c4cc65-6c06-0410-ace0-fbb531ad65f3

a new implementation of a fixed size jitterbuffer, as well as support for the
existing adaptive jitterbuffer implementation. (issue #3854, Slav Klenov)

Thank you very much to Slav Klenov of Securax and all of the people involved
in the testing of this feature for all of your hard work!


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@31052 65c4cc65-6c06-0410-ace0-fbb531ad65f3