Initial commit
Update README.md
added shapes
added "js" folder
first version of spinner
added yellow buttons
Merge branch 'master' of https://github.com/phetsims/fractions-common
small refactoring, scale added
added pagination
rectangle shapes now not always square
centering pagination
added scoreArray
remove  unnecessary parameter
numerator can be zero now,
vrectangle draw correctly shape with numerator = 0
Merge branch 'master' of https://github.com/phetsims/fractions-common
small changes in VRectangle, now works correctly with denominator = 0
draw piece of HRectangleShape.js now possible
correct center position for vrectangle
removed unused vars and imports
fixed bug with empty simplified fraction node