added support for Aprs messages over Pty device
added support for Aprs messages over Pty device
added Pty.h
Merge branch 'GlobalAprsPtty' of https://github.com/dl1hrc/svxlink into dl1hrc-GlobalAprsPtty

Conflicts:
	src/svxlink/trx/CMakeLists.txt
The Pty class now use buffers instead of singe chars

The Pty class now read and write buffers instead of chars. This is more
generally useful.
The Pty class now is in the Async namespace
changed number announcement
Merge pull request #114 from dl1hrc/metar_mathematics

Fix number announcement bug in ModuleMetarInfo
Merge branch 'master' into dl1hrc-GlobalAprsPtty

Conflicts:
	src/svxlink/trx/CMakeLists.txt
Update versions and ChangeLog
Add docs for the PTY_PATH LocationInfo config var
Update versions and ChangeLog
Merge branch 'dl1hrc-GlobalAprsPtty'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'upstream/master' into globalAprsPty

Conflicts:
	src/async/core/AsyncPty.cpp
	src/async/core/AsyncPty.h
	src/async/core/CMakeLists.txt
	src/locationinfo/AprsPty.h
	src/svxlink/trx/PttPty.cpp
	src/svxlink/trx/Pty.h
	src/svxlink/trx/PtyDtmfDecoder.cpp
	src/svxlink/trx/SquelchPty.h