remove duplicate masters line.
split pulseview 0.1 off, pulseview 0.2 needs a newer libsigrokdecode
only add python_required_use if using sigrokdecode
silence repoman warning
readme.
Merge branch 'master' of https://github.com/jmesmon/sigrok-overlay
sigrok-cli: clarify brokenness note, fix sigrok-cli-0.4.0
Update README.md