Sort data/properties.txt

I am about to add some lines to this file, but before I do that I wanted
to sort it do make that diff less noisy. This was sorted using Vim's
`:sort`.

Change-Id: I6b68ab50bbaa2301cfa68bc8c6553d65100bcca1
Reviewed-on: http://gerrit.causes.com/42378
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>