Fix IRIs using TGEMO: instead of TGEMO_

[arteymix]

Fix #13

I have to review usage before merging this.

[arteymix]

Looks like the only affected entry is GFP fusion. I'll remap it to the new ID in the database.

select *
from CHARACTERISTIC
where VALUE_URI like 'http://gemma.msl.ubc.ca/ont/TGEMO:%';