* [FEATURE] Display both pool and personal hashrate
* [FEATURE] Use EnhancedLegendRendere to toggle lines in graph
* [IMPROVEMENT] Unified Ajax call for graph and gauges
* [IMPROVEMENT] Allow `getdashboarddata` to supply raw hashrate values
* [IMRPOVEMENT] Do not include smarty globals, they are not needed on the API
* [IMPROVEMENT] Display correct runtimeinformation of entire script, not
just the SQL queries
* Allows Admins to change the SQL Interval used in queries
* Default: 300 seconds / 5 minutes
* Allowed: 1 minute, 5 minutes, 10 minutes
* Tooltop in admin panel explains this setting
* Added data interval to API call for dashboard
* Added additional output to gauges footer
Addresses #444