* -added consensus version tracking to x/upgrade
* -added interface to module manager -added e2e test for migrations using consensus version store in x/upgrade -cleaned up x/upgrade Keeper -handler in apply upgrade now handles errors and setting consensus versions -cleaned up migration map keys -removed init chainer method -simapp now implements GetConsensusVersions to assist with testing
* protocol version p1
* add protocol version to baseapp
* rebase against master
* add test
* added test case
* cleanup
* docs and change to bigendian
* changelog
* cleanup keeper
* swap appVersion and version
* cleanup
* change interface id
* update keeper field name to versionSetter
* reorder keys and docs
* -move interface into exported folder
* typo
* typo2
* docs on keeper fields
* docs for upgrade NewKeeper
* cleanup
* NewKeeper docs
Co-authored-by: technicallyty <48813565+tytech3@users.noreply.github.com>
Co-authored-by: Alessio Treglia <alessio@tendermint.com>