Added ChoosenDrugActivity

To show information about the choosen drug from DrugsActivity.
Updated PharmaciesActivity

With an dialog to be shown when there is no open pharmacies.
Updated Pharmacy

Deleted som unused imports.
Updated OrderByStrength

Deleted an unused import.
Updated DrugsActivity

Deleted some unused imports and added an addTextChangedListener to the
autocompletetextview so all adapters are cleared when there is only one
letter in the autocompletetextview.
Updated DBAdapter

Changed current time and day.
Updated drugs.xml

Added an extra enter.