- mysql default version is 5.7 on Ubuntu 16.04
- included mysql devel headers for mysql2
- incremented mysql cookbook to 8.0
- incremented database cookbook to 6.0
- pinned mysql2 gem at 0.4.4
Depends-On: I57c8729e8732161ac34caa85259de8264e99c56d
Implements blueprint newton-xenial
Change-Id: I8ee882d5b154ec0d319e6c4186ebf9f8ae68f269