Made usage of external SD card user-configurable
Refactored Preferences activity to use methods for updating summaries
(Already added XML resources for Permanent Admittances activity to come in next commit)
Added Preferences activity for managing permanently admitting hospitals and name-mappings for contact lookup
Added mapping table to contract
Renamed Permanent Admittances activity to Hospital Management activity (visible in strings.xml)
Removed unneeded permissions and added permission to access contacts for autocompletion
Added Hospitals admittance and Doctor on standby display (Fragment, Loader, Date/Time manager)
Added navigation intent that navigates to free-text addresses instead of coordinates
Moved empty view for address results to layout instead of code
Fixed import post-processing result toast not being shown
Added contacts autocomplete to permanently admitting hospital input dialog
Fixed crash in Map fragment where map view member variable was null (should not occur?)