Because MoneyGo requires sending passwords and session cookies, we
should never serve over HTTP. While we're at it, make it more convenient
for folks to test this out by adding a config option to auto-generate
self-signed certificates.
This is done by requiring 'parseTime=true' in the MySQL DSN's (required
by github.com/go-sql-driver/mysql when Scan()ing to time.Time's), and
not forcing update counts to match if rows were updated to what they
already were.
