Point selected (in order to delete it) buttons behavior defined
Micro moves (user trying to select) blocked
Image loading parameters updated in Characteristics fragment
Zone fragment layouts updated to make pictures take all space possible
Touching outside a zone when editing it behavior defined
A few strings moved to R.string
Bug fix : zone validation when point deletion
Point delete name put to string and buttons width resized
Merge branch 'UrbApp_gab' into urbapp_last

Conflicts:
	Code/src/com/ecn/urbapp/fragments/ZoneFragment.java
	Code/src/com/ecn/urbapp/zones/DrawZoneView.java