Small improvements in description of master-slave arbitration (#155)
Small improvements in description of master-slave arbitration (#155)

* Small improvements in description of master-slave arbitration

* Updates to role and election id details based on work group discussion.

* Remove potentially confusing use of word "same"

* Make more precise what is outside of P4Runtime regarding elections

Also update some Madoko markup

* Updated wording on election_id values from reviewers.

p4lang/p4runtime,p4lang/p4runtime,p4lang/p4runtime