starting documentation for ami-tree exercise
Merge branch 'master' of https://github.com/ContentMine/ebi_workshop_20141006

oops
Merge branch 'master' of https://github.com/ContentMine/ebi_workshop_20141006

oops
Merge branch 'master' of https://github.com/ContentMine/ebi_workshop_20141006

oops
.