Moiz, Suraj & Dave: Added test, field & bindings for datatype in concept review
Null check before dereferencing datatype
Fixed bug with checking if target is not null when should be source
-added logic to echo search query number to server side. Query search numbers
echoed back to angular are checked to see whether they are the latest search
results. Latest results are kept, older results are discarded.
Merge branch 'master' of https://github.com/waichee/openmrs-cpm