WLED version 0.5.0

• Improved user interface
• Added Nightlight user interface page
• Added Welcome page for new users
• Added 12 User Interface Themes
• Added option for custom theme, including font
• Separated settings page into 6 sub-pages
• Fixed Favicon not working
• Fixed Alexa discovery bug
• Added options to specify receiving brightness/color/effect from notifications
• Added option to save default secondary color
• Added effect intensity setting. Only experimental use by 3 effects (blink) at the moment
• Improved speed of Access point availability on initial setup
• Removed need to reboot after enabling NTP time