Proposed fix for nlplab#973 from @ninjin. Test well before closing is…

…sue.

Change of wording and more instructions

Fixes nlplab#956 (overlapping fragments)

Update usage instructions.

Function re-ordering

Extend support for BioNLP ST 2013 format and data.

Now displaying version 1.3

version up

Merge branch 'master' of [email protected]:TsujiiLaboratory/brat

VERSION 1.0!