v1.0.21-rc2
Solaris backend
core: re-add one more conditional
Replace obsolete usleep with nanosleep
core: Eliminate hotplug pipe, using list and event pipe instead
io: Fix race condition in handle_timeout()
Add support for persistent device memory.
Misc: Revert all references to libusb/libusb.info
Misc: Prefix doxygen references in order to namespace libusb
Misc: Document the return code for control transfers that are too large
on to 1.0.21-rc2