Add mocoso to the project list.

Mocoso is a tiny stubbing & mocking library. More information in the [Github repository](https://github.com/frodsan/mocoso).
Merge branch 'patch-1' of https://github.com/frodsan/microrb.com into frodsan-patch-1
Merge branch 'frodsan-patch-1'

Conflicts:
	data/projects.json
Update db