Changelog

• Fixed icon button alignment
  • Update home-mobile-app.html
  • Update home-cryptocurrency.html
• Fixed reload function name bug in gulpfile
• Fixed Popover moving over top of fixed navigation bar
  • Update navbar.scss
• Fixed mobile bug on Home Desktop App with background image
  • Update home-desktop-app.html
• Added color scheme variables to user-variables.scss
  • Update user-variables.scss
• Added "How to Edit Color Scheme" article in documentation.

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