Push to dev stage
Re-arrange transition from angle to angle-double
Fix transition from sort to sort-half
Add empty icon state
Remove backward and forward icon
Add inverted color ability on blocks
Add circle-o icon
Add circle-o-thin icon
Add filled version of circle-o
Prevent inverted color changed outer scope color value
Fix transtion from circle-o to circle-o-filled
Remove thin version of circle-o icon
Add circle-minus icon
Add circle-plus icon
Add circle-times icon
Add circle-o-minus icon
Add circle-o-plus icon
Add circle-o-times icon
Include color invert value on block list
Add square-o and saquare-o-filled icon