Loop through all the envs and look for stuff that begins with `HOPPLER_BACKUP`
Change the env.example
Update instructions
Use native MySQL stuff to backup ALL databases.
Merge pull request #1 from theodi/feature-multiple-dbs

Allow upload of multiple DBs
Merge branch 'refs/heads/master' into feature-backup-all-databases

Conflicts:
	README.md
	env.example
	lib/hoppler.rb