* [FEATURE] Allow in-class checking for user permissions
* [FEATURE] Allow in-class creation of the JSON data for coherence
* [FEATURE} Added API version in JSON data for client side checks
* [IMPROVEMENT] Adjusted all API calls to use the new JSON layout
**NOTE**: This is breaking backwads compatibility with the old API!
Please adjust your client application to support this new version.
The data array should not change much more other than added features.
* [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
