Add magnum
Add json-parser
Add coliru
Merge pull request #33 from LB--/add-magnum

Add magnum
Merge pull request #34 from LB--/add-json-parser

Add json-parser
Merge pull request #35 from LB--/add-coliru

Add coliru
Merge pull request #36 from questor/master

more licenses, only two categories missing :)