Accuracy Test Results should contain PrimaryCellId, ControllerId data

- FileLoader support for new columns in .distances file format
- AccuracyResult.getInfo() includes the new properties just like
AxfResult
Element lookup for AccuracyResults

- the properties of the serving sector can now be retrieved similarly
for both AxfResult and AccuracyResult models
- InfoView uses new method to get primaryCellId/controllerId properties
from the result models
Filter results by serving sector: support for AccuracyResults

- change filter function to look at properties of best LocationCandidate
for AccuracyResults
Show a notification when element lookup comes up empty

(Google Chrome only)