refactoring => change radian to angle
Merge branch 'rotation'
test => draw
test => accumulate rotation & reset
refactoring => merge branches
refactoring => move fixture into setup()
test => rotate target after draw
test => rotation accumulate random cycles
test => using default random strategy
test => extract config object
refactoring => using jquery instead
test => visibility of Rotary
test => cache rotary instance
fix bug => typo 'peices' to 'pieces'
test => should raise error missing pieces
test => should raise error pieces <= 0
test => should trigger draw event after draw
test => trigger draw event once in last in sequence draw
test => pass which parameter to draw listener
refactoring => using $.style instead