Update notes for submitted changes

* build.sh: Show buildhistory branch and allow to change prefix (v4.0.1)
* mcf: Add sanity check for git mirrors, premirrors and sstatemirrors
* mcf: Fix setting tracking branch
* mcf: Change remote url when weboslayers.py sets different one
* mcf: Use 4th param in weboslayers.py as DIRNAME for checkout
* mcf: Change default command to update as well as configure
* mcf: Use logger instead of calling print directly
* mcf: Add version and show it when running the script
* mcf: Process remaining 2 files and get rid of autoconf
* scripts: Add compare-sstate and test-dependencies scripts
* mcf: change layout of build directories (v4.0.0)
* build.sh: Upgrade to 3.3.14