AC-4 Find Patients
AC-4: Code review rework. Added database key encryption.
AC-4: Moved request error handling. Removed loading dialog.
AC-4: Added parent activity for Find Patients.
Merge pull request #10 from openmrs/AC-4

AC-4: Added possibility to search for patients.
AC-18: Migrated project for ant.
Removed project files from git.
AC-18: Updated README file with new project configuration.