temp get Specific Encounter(API) and delete untagged data
Clickable groups and items in Expandable List
Added functionality to Medical History list
Retrieve, save/ delete specific encounters by tag/untag
Added Laboratory search
Modified
Merge branch 'master' of https://github.com/joseipong/DoctorsDashboard
Merge branch 'master' of https://github.com/xiandalisay/DoctorsDashboard

Conflicts:
	MainActivity/src/com/example/android/navigationdrawerexample/LoginActivity.java
	MainActivity/src/com/example/android/navigationdrawerexample/RegisterActivity.java
	MainActivity/src/com/example/android/navigationdrawerexample/TagPatientActivity.java
	MainActivity/src/com/example/android/navigationdrawerexample/UntagPatientActivity.java