v2.1.6

• fix(cards): smooth collapse card - thanks @MartijnBastiaansen #378
• fix(header): migrate .divider to .dropdown-divider - thanks @vanam #406
• chore: build/change-version cleanup
• docs(readme): fix broken hyperlinks to 6 versions
• update: @coreui/coreui to 2.0.19
  • fix: transparent is not a valid rgb color ie issue
  • fix(card): rtl for card-header icon margins
  • fix(sidebar): rtl for sidebar-minimizer icon
  • fix(breadcrumb): rtl padding
  • fix(card): rtl float for card-header-actions
  • fix(sidebar): rtl ps scrollbar issue temp fix/refactor
  • feat(sidebar) badge margins for nav-dropdown-toggle
  • fix(scss): add missing light-blue color variable
• update: chart.js to 2.7.3
• update: core-js to 2.5.7
• update: autoprefixer to 9.2.0
• update: browser-sync to 2.26.3
• update: eslint to 5.7.0
• update: eslint-plugin-compat to 2.6.2
• update: js-beautify to 1.8.7
• update: node-sass to 4.9.4