init_cryptopacket is now called by new_DHT.
Make wide character support optional

Issue #514. FindCursesw modified to make it simpler. Wide character
can be disable by passing NO_WIDECHAR=ON.
Merge pull request #515 from manuel-arguelles/unicode_optional

Make wide character support optional
Remove toxic from core repository

New location is:
https://github.com/Tox/toxic
Merge pull request #516 from jin-eld/remove-toxic

Remove toxic from core repository (moved to https://github.com/Tox/toxic)