qt: Some UI fixes and improvements#3500

Merged

UdjinM6 merged 11 commits into

dashpay:developfrom

xdustinface:pr-ui-improvements

Jun 4, 2020

Commits on May 22, 2020

qt: Updated loadStylesheet and added general.css for shared styles
xdustinface
committed

Commits on May 25, 2020

Commits on May 26, 2020

qt: Add missing grey arrows and make use of disabled states of scrollbar arrows
xdustinface
committed
qt: Adjust dashThemeActive and also use it in BitcoinGUI::createToolBars
xdustinface
committed

Commits on May 28, 2020

qt: Fixed copyright year in general.css
xdustinface
committed