Code Cleanup - Change Log 3.5.2

This update brings a lot of changes to the structure of the code, removal of obsolete features & improvements.
WebServer structure was rewritten in this update.

New:

• WebUser system for accessing the webpages
  - Register command
  - Manage commands for the webusers
  - Permission level for accessing different pages
  - Permission level either determined by user permissions or
• Rewritten Webserver
  - Removed "SecurityCode" from addresses.
  - Added Basic Authentication over HTTP
  - Added /players page for listing cached player links
  - More in depth error response codes.
  - Only GET requests allowed because http is not secure enough for PUSH authorization.
• List command for /players page link.

Improvements:

• Restructured AnalysisData to multiple parts
• Changed Players Online Graphs to use TPS data as source instead of unreliable SessionData. (TPS data is average of 60 seconds per point)
• Changed TPS & Players Online graphs from Line Graphs to Scatter Graphs (Now downtime is visible-ish)
  
• Graph labels now calculated client side (from unix time)
• Removed Age, Gender & Location Gathering.
  - First start of plan might take longer than usual if you have had location gathering enabled as all the locations are cleared.
• Moved to use new version of the Plugin Framework.

Bugfixes:

• Fixed: Incorrect data of Players Online graphs on Analysis page
• Fixed: WebServer memory leak
• Fixed: Analysis Command now displays JSON link properly when used as a player.
• Fixed: Search command no longer disconnects player due to too long message.

Other:

• Improved Test Suite performance from 46s to 26s
• Cleaned a lot of code
• Cleaned Benchmark messages for /plan status timings