Release Version 2, using adminlte3 + bootstrap 4

• Upgrades AdminLTE 2 to AdminLTE3
• Upgrades bootstrap to Bootstrap4
• Upgrades font awesome to latest
• Rewrites/Refactors just about everything
• Adds in support for top menu
• Lots more small improvements

Minor UI fixes, cleanup of unused files

• upgrade font awesome to 5
• remove lots of unused files, reducing package size
• minor UI fixes