webkit prefix required for clip-path version

add ignore to bower.json

fixes cotag#25

Update demo to show image clipping

provide counterclockwise example demo

slight modification in how counterclockwise rotation is indicated

Merge pull request cotag#19 from bumpy1/master

Handle the case where current > total

Merge pull request cotag#18 from cotag/mixin

merge branch mixin

fixes cotag#15

Thanks @bropp for the heads up

Merge pull request cotag#13 from dreadjr/master

add AMD support

watch for changes to both total and current

Fixes cotag#12
Thanks @bropp to bringing it to my attention

don't include version in bower.json

tags are used instead