Proposal to upgrade to v1.0.5

[ek826]

Updated v1.0.5 here

Updated v1.0.5 upgrade

Introduction Upon further integration testing, we have updated the v1.0.5 release. This is now a state breaking software upgrade proposal to the Terra Classic blockchain to transition from v1.0.4 to v1.0.5. State breaking means that there will be changes to the states created by the validators, when particular parts of this upgrade code is triggered. Block height guards have been introduced so validators and full nodes can upgrade at their convenience up until the state breaking change at b…