Updated androidManifest

Updated AndroidManifest with user-permissions.
Updated mydb
Updated DBAdapter

Updated DBAdapter with location and distance to pharmacy from current
location.
Updated DrugsActivity

Updated DrugsActivity with imports.
Updated MainActivity

Updated MainActivity with imports.
Updated PharmaciesActivity

Updated PharmaciesActivity with imports and deleted som imports about
date and timezone. Added locationmanager, locationlistener, latitude and
longitude to recieve lastKnownLocation and show distance to different
pharmacies.
Updated Pharmacy

Updated Pharmacu with distance to Pharmacy in constructor.