fixes rapidftr/tracker#44 removes hardcoded values from the form sections.

[@ctumwebaze, @annmwangi, @rdsubhas] This fix removes the hardcoded references to particular fields and replaces
them with dynamic fields defined in the form sections.
The list of children now shows data from highlighted fields as specified in form sections.
@ctumwebaze @mwangiann rapidftr/tracker#44 adds search capability using highlighted fields.
Merge pull request #145 from ctumwebaze/master

Removes hardcoded values in form section on mobile