(kext, support) Remove unused mount-time option init_timeout

daemon_timeout is used to detect timeouts during FUSE_INIT handshakes.
Bump version to 2.9.1
Remove unused FUSE_DAEMON_TIMEOUT_* defines
Add build parameters

* M_OSXFUSE_ENABLE_KEXT_VERSION_CHECK

  If enabled OSXFUSE will refuse to mount FUSE volumes in case the version of
  the already loaded OSXFUSE kernel extension does not match the version of the
  user space library.

* OSXFUSE_MIN_DARWIN_VERSION

  Specifies the minimum supported Darwin version. An error message is displayed
  in case OSXFUSE is run on an earlier version.
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Bump version to 2.9.2