GUI merges @guimerges@x0f.org

[gui] Merged PR from jarolrod: qt: Make warning label look clickable https://github.com/bitcoin-core/gui/pull/217

[gui] Merged PR from jonatack: Add "Last Block" and "Last Tx" rows to peer details area https://github.com/bitcoin-core/gui/pull/226

[gui] Merged PR from laanwj: qt: Re-add and rename transaction "Edit Label" action https://github.com/bitcoin-core/gui/pull/223

[gui] Merged PR from jarolrod: qt: Disable requests context menu actions when appropriate https://github.com/bitcoin-core/gui/pull/214

[gui] Merged PR from hebasto: qt: Prevent the main window popup menu https://github.com/bitcoin-core/gui/pull/219

[gui] Merged PR from jarolrod: qt: Add Copy Address Action to Payment Requests https://github.com/bitcoin-core/gui/pull/213

[gui] Merged PR from hebasto: Embed monospaced font https://github.com/bitcoin-core/gui/pull/79

[gui] Merged PR from jarolrod: qt: Remove Transactionview Edit Label Action https://github.com/bitcoin-core/gui/pull/211

[gui] Merged PR from jonatack: Display fRelayTxes and bip152_highbandwidth_{to, from} in peer details https://github.com/bitcoin-core/gui/pull/206

[gui] Merged PR from jonatack: Display plain "Inbound" in peer details https://github.com/bitcoin-core/gui/pull/203