Solution to ignore unrecognized properties during json deserialization
JsonBackReference, JsonManagedReference to handle proper json mapping using fasterXml lib
Merge branch 'master' of https://github.com/qcri-social/AIDR

Conflicts:
	aidr-tagger-api/src/main/java/qa/qcri/aidr/predictui/entities/Crisis.java
	aidr-tagger-api/src/main/java/qa/qcri/aidr/predictui/facade/imp/CrisisResourceImp.java