Fixed context menu on set-variable to properly create get-variable.

Review URL: https://codereview.appspot.com/8801043

git-svn-id: http://blockly.googlecode.com/svn/trunk@751 c400ca83-b69d-9dd7-9705-49c6b8615e23
Factor out common text from dropdown menus in Maze and Turtle.  Remove obsolete strings.
Review URL: https://codereview.appspot.com/8576045

git-svn-id: http://blockly.googlecode.com/svn/trunk@752 c400ca83-b69d-9dd7-9705-49c6b8615e23
Terminates program if Pegman collides with wall.

Review URL: https://codereview.appspot.com/8723044

git-svn-id: http://blockly.googlecode.com/svn/trunk@753 c400ca83-b69d-9dd7-9705-49c6b8615e23
Adds French maze translation.

Review URL: https://codereview.appspot.com/8789045

git-svn-id: http://blockly.googlecode.com/svn/trunk@754 c400ca83-b69d-9dd7-9705-49c6b8615e23
Rename a variable.
Review URL: https://codereview.appspot.com/8686044

git-svn-id: http://blockly.googlecode.com/svn/trunk@757 c400ca83-b69d-9dd7-9705-49c6b8615e23