Revert "delete map button in city list and restaurant list 'cause it don't work!!!"

This reverts commit a35a6dc831ecff3fa79b10865c1d4061e727939a.

Conflicts:
	Project/res/layout/activity_city_list.xml
	Project/src/be/uclouvain/sinf1225/gourmet/CityListView.java
	Project/src/be/uclouvain/sinf1225/gourmet/RestaurantListView.java
Merge branch 'master' of github.com:GuillaumeDerval/SINF1225

Conflicts:
	Project/res/raw/dbv1.sql