Bug Fixs and Additions

small changes/bug fixes added in this version include:

• FIXED: menu music has a popping or clipping sound
• FIXED: song starts over when going from gallery to main
• FIXED: Text on buttons looks blurry when clicked
• FIXED: Menu buttons behaving in annoying ways

• ADDED: Preview button should indicate it's value by check box
• ADDED: Ability to color tabs by right clicking the tab and picking a color
• ADDED:  Sounds when snapping pieces together
• ADDED: Zoom buttons to top right of screen, now zooms smoothly with interpolation