Note that any module that depends on StreamDevice will load it first using `handleDependencies` which
is called before we add the _DB paths. So if a module depends on StreamDevice, this will be accurately
caught; moreover, if StreamDevice is not loaded, then we don't bother setting this path.

Reorder to match order in function
Add realtime option
Add iocInit override option

* Remove all references to:
** EEE
** conda
** EPICS extensions
* Remove long comment sections
* Minor variable name change for consistency