client is deprecated in node-mysql 2.x, updated for new connection
semantics
added peerDependency on mysql@2.x and require engine >=0.8.19
updated README for node-mysql@2.x usage
Merge branch 'node-mysql-v2.0+' of https://github.com/mjeffery/connect-mysql into node-mysql-v2.0+

Conflicts:
	README.md
	lib/connect-mysql.js
	package.json
Updated README for crypto
Merge pull request #18 from mjeffery/node-mysql-v2.0+

mysql@2.x compatibility