Fix libplist ebuild for when libplist is first built (no bindings for Cython: https://github.com/libimobiledevice/libplist/pull/6)
Use AUTOTOOLS_IN_SOURCE_BUILD=1 because libplist cannot yet be built out of source (https://github.com/libimobiledevice/libplist/issues/7)
9999 versions of ideviceinstaller, ifuse, usbmuxd; all working