erlang: bump version to 17.0

erlang: bump version to 17.0

Erlang/OTP 17.0 is a new major release with new features, characteristics
improvements, as well as some minor incompatibilities.

Some highlights of the release are:
  - Erlang/OTP has been ported to the realtime operating system OSE.
  - Maps, a new dictionary data type (experimental)
  - A more natural mapping from ASN.1 OCTET STRING and BIT STRING to Erlang
    types, and other ASN.1 improvements and optimizations
  - The {active, N} socket option for TCP, UDP, and SCTP
  - A new (optional) scheduler utilization balancing mechanism
  - Migration of memory carriers has been enabled by default on all ERTS
    internal memory allocators
  - Increased garbage collection tenure rate
  - Experimental "dirty schedulers" functionality
  - Funs can now be given names
  - Miscellaneous unicode support enhancements
  - A new version scheme for OTP its applications has been introduced

Signed-off-by: Frank Hunleth <fhunleth@troodon-software.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>