Add Locale: Japanese (#756)

* [wip]japanese translation file.

* [wip]fixed japanese translation.

* create README.jp.rst

* add locale ja-JP.

* Removed Locale Data.

resources/strings/strings.properties

@@ -33,6 +33,10 @@ delBox=Delete RectBox
 delBoxDetail=Remove the box
 dupBox=Duplicate RectBox
 dupBoxDetail=Create a duplicate of the selected box
+editBox=&Edit RectBox
+editBoxDetail=Move and edit Boxs
+hideAllBox=&Hide RectBox
+showAllBox=&Show RectBox
 tutorialDefault=Tutorial
 tutorialChrome=Tutorial(Chrome)
 tutorialDetail=Show demo
@@ -73,3 +77,6 @@ menu_edit=&Edit
 menu_view=&View
 menu_help=&Help
 menu_openRecent=Open &Recent
+chooseLineColor=Choose Line Color
+chooseFillColor=Choose Fill Color
+drawSquares=Draw Squares