Committing all my changes through 5-7a

*Filled in the blank in plum.txt
*Filled in the blank in tree.txt
*Created a yellow direcotry
*Created a grape.txt file in the purple directory
*Created a firetruckt.txt file in the red directory
*Placed hiding_turtle, ruby and school_bus to the appropriate directories
Move of apple.txt from Red Folder to Green Folder
Complete the rest of Challenge 4

*Removew unsorted folder
*Removed lurking html files
Save all changes to text file from steps 5-7a