OS X 10.7 compatibility with libc++
Remove user-specific paths from Xcode project
Rename integraLive to  IntegraLive
Add OS X master build folder
Make Xcode schemes shared
Minor build system tweaks
Soundfiler should have inLevel outLevel and mute

#865
"offset" parameter on AudioIn / AudioOut modules is confusing

#872
amended semaphore invocations to allow for different patterns used by sem_open (Apple) and sem_init (Windows)
reinstated expat header xmltok/nametab.h
Added namespace directive and header include for CError
Merge branch 'refs/heads/release-1.7' into development
Merge branch 'refs/heads/development' into new-xml-schema