Made Skeletor, a dumb version of censusActivity and started building plugins.
Skeletor up and running with SelectionFrag and ValueFrag.
Started work on AmIValid? checks to filter forms available in the formFrag.
Sharing recent tests within CensusFormFilter; change in onEnterState to
eliminate concurrent modification
Functional validators for AddHead and AddMember forms
Functional validator for EditIndividual form
Created CensusFormMappers and modified CensusFormFilter to use simpler logic.
Added getHeadOfHouseholdByHouseholdExtId() to Queries class.
Created FormPayloadBuilder class and specific instances for CensusActivity
Created CensusFormPayloadConsumers to consume form data coming back from forms
Modified Skeletor and CensusActivity implement FormBuilders/Consumers.
Merge branch 'NavigateActivityBranch' of github.com:USM-RCG/openhds-tablet into NavigateActivityBranch

Conflicts:
	src/main/java/org/openhds/mobile/projectdata/CensusFormFilters.java
Temporary use of CensusActivity for the 12JuneMilestone deliverable.
Changed collectedDateTime format to yyyy-MM-dd HH:mm:ss
Moved memberStatus from memberships to individuals.
Closed the loop, but certain values are not making it into the tablet db.
Changed from 'Skeletor' to NavigateActivity
Converting Individual DoB from DateTime to Date via String Manipulation.
Crash when returning from ODK with synced individual fixed.
Refactored NavigatePluginModule interface, ActivityBuilder now uses Strings