Qt UI: Follow-up to PR #1641 -- Make menus use Title Caps
Qt UI: Follow-up to PR #1641 -- Make menus use Title Caps

All menu items should be Title Caps as is the universal UI convention.
Thanks to @zander for pointing this out.

This follows-up the last commit from PR #1641, to enforce all menu
items being title caps.

fyookball/electrum,fyookball/electrum,fyookball/electrum