added setters to location engine and javadoc#402

Merged

cammace merged 3 commits intomasterfrom cam-395

Mar 24, 2017

+179-17

Commits on Mar 21, 2017

added setters and javadoc
Cameron Mace
committed
finished javadoc for abstract location engine class
Cameron Mace
committed

Commits on Mar 24, 2017

made setting request options optional
Cameron Mace
committed