split the watchCollection into two watchGroup(s) in order to prevent animation when properties that aren't related to the circle size get changed. also speed up the options assignment.
split the watchCollection into two watchGroup(s) in order to prevent animation when properties that aren't related to the circle size get changed. also speed up the options assignment.

crisbeto/angular-svg-round-progressbar,crisbeto/angular-svg-round-progressbar,akashkummari/myFirstProject,msfilho/angular-svg-round-progressbar,msfilho/angular-svg-round-progressbar,akashkummari/myFirstProject