Branching and tagging of FreeDV 1.3 and codec2 0.8.
Updates to README and INSTALL documentation.
Draft conversion of Makefile to cmake. (Not working yet.)
Change default for speexdsp to look for a library and other build system tweaks for WIN32/MINGW environments.
Tweaks to portaudio static build for MinGW.
Other buildsystem updates for cross-compiling.
Attempt to fix portaudio building while cross-compiling.
Tweak freedv subversion logic to make sure SVN_REVISION is always defined.