src/L.Control.Locate.js: Changed references to "self._container" from within onAdd to "container" and synced other changes that exist within our internal usage of L.Control.Locate
An additional fix for when the accuracy of a geolocation changes without the coordinates (rare to impossible in real world)
Merge pull request #1 from radicalbiscuit/fix-onadd-container-references

Synchronize minor touch-ups and fixes.