kgcl ontobot should use robot to normalize ordering within tags

[cmungall]

With the next OAK release, runoak apply will now:

• preserve the original ordering of lines in unaltered stanzas
• order lines in altered stanzas

However, it turns out to be very difficult to implement the same ordering as the owlapi

• https://github.com/owlcollab/oboformat/issues/138

the OAK procedure should produce normalized files the vast majority of the time but to be safe the bot should normalize using robot