Registry schema cleanup

[Lawrence Velázquez]

> On Nov 20, 2014, at 7:46 AM, Rainer Müller <raimue at macports.org> wrote:
> 
> On a side note, using something more generic like 'checksum' as field
> name with a value of 'md5:abc012...' or 'sha256:def345...' would be more
> flexible as a the schema. Either CHAR or VARCHAR are all just TEXT
> ignoring the length for SQLite, right?

Yup.

http://www.sqlite.org/datatype3.html#affinity

vq