clear block description (esp color picker)

[gregdyke]

short version, just fix the description of the colour picker

followup: image of each block as hover?

[Dedekind561]

All exercises

• [x] Modifying html dynamically
• [x] Modifying html dynamically: setting colours
• [x] Creating html dynamically: lists of fruit
• [x] Creating html dynamically: lists of links
• [x] Buttons and clicks: A button to add apples
• [x] Inputs and clicks: say something
• [x] Buttons, inputs and clicks: a todo list
• [x] Buttons and clicks consolidation
• [ ] Variables: keeping track of the number of clicks
• [ ] Variables consolidation: counting sheep
• [x] Arrays: Mad Libs revisited
• [x] Arrays and loops
• [x] Arrays and buttons
• [ ] Loops and arrays: more fun with fruit
• [ ] Arrays: Adding, removing, and summing elements

Projects

• [ ] Project: Don't go higher than 11!
• [ ] Project: Select a random facilitator
• [ ] Project: Show earnings and expenses
• [ ] Project: List of links
• [ ] Project: Create a storybook
• [ ] Project: Build an image carousel
• [ ] Some more "projects"