Added Level 2_7_5 in Turtle for preparation of Three snowmen.
[Finishes 59435230]: add dialog title
Merge pull request #214 from cpirich/dialogtitle

[Finishes 59435230]: add dialog title
Remove hint from free play level feedback.
Merge branch 'master' into hoc_level
Add offset to instructions dialog. Made showInstructions nonexport.