Merge pull request #92 from nanan9177/master

Removed the turtle stage 4 instructions.
Fix turtle initialization order for dashboard
Fix turtle answer checking
Fix free play reinforcement message
Tested turtle 1, and updated if-blocks and required blocks for levels.
Merge pull request #93 from nanan9177/maze_test

Tested turtle 1, and updated if-blocks and required blocks for levels.
Updated Turtle 1 Level 6 to have ideal number of blocks as 7.