Added JACK to GUI (no actual implementation yet).
Added skeleton for JACK.
Added JACK to record page.
Added JACK input, but needs more testing. Resampling will also be needed.
Created 3rdparty directory and added soxr. Needs more testing.
Incomplete resampler.
Merge branch 'master' into jack
More resampler code (still not ready).
Merge branch 'master' into jack

Conflicts:
	src/GUI/PageInput.cpp
	src/GUI/PageInput.h
	src/GUI/PageRecord.cpp
	src/GUI/PageRecord.h
	src/Global.h
	src/Makefile.am
	src/Makefile.in
Improved readme and postinstall script.
Merge branch 'master' into jack

Conflicts:
	README.md
Merge branch 'master' into jack

Conflicts:
	src/GUI/PageInput.cpp
	src/Makefile.am
	src/Makefile.in
	todo.txt
Finished resampler (still needs more testing) and full JACK support (any sample rate).
Removed useless file.
Commented old debug line.
Merge branch 'jack'