Escape single-quotes with genesis:db:up

[ericclemmons]

The double-quotes cause a mysqldump error.

[ericclemmons]

This works:

system "vagrant ssh local -c 'cd /vagrant && mysqldump -u\"#{db_user}\" -p\"#{db_password.gsub('$', '\$')}\" --opt --databases \"#{db_name}\" | gzip --rsyncable > #{backup_name}.gz'"