Coorige le problème de zoom en passant de ZoneFragment à CharacteristicsFragment.
Cancel the opening of the Charact[...]Dialog when selecting an undefining zone in SummaryDialogFragment.
Also correct an issue in the print of the image after an union.
Fix a bug when displaying zones in ZoneFragment.
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
Debug the edition of grouped zones.
Some (new ?) issues appears in selecting points after the frst edition...
Merge branch 'UrbApp_gab' into urbapp_last

Conflicts:
	Code/src/com/ecn/urbapp/fragments/ZoneFragment.java
	Code/src/com/ecn/urbapp/zones/DrawZoneView.java
Improve the layout compatibility between ZoneFragment and CharacteristicsFragment.
Fix the issue of multiple display of some points.
Bug fix : touch radius tolerance is split in final reference value and
image ratio edited value
Merge branch 'UrbApp_gab' into urbapp_last
Merge pull request #84 from jparty/urbapp_last

Correct some issue from the separation of fragments