Refs #44 - Remove upgrades.  Make `install:run` (mostly) do what `upgrade:run --drop-tables` did.
Merge branch 'master' into feature/44-remove-upgrades

Conflicts:
	src/Synapse/Command/Install/Run.php
Refs #44 - Tweak install:run description.
Merge pull request #44 from synapsestudios/feature/44-remove-upgrades

Remove upgrades