patch paperscript parsing
https://github.com/max3a3/paper.js/commit/ae8d569d539e1bbc96a76884e73d78aa168132b7
https://github.com/max3a3/paper.js/commit/95b1d10ef528e081fc28b4210f76ca3decb3fe14

change in item.js _transformContent
https://github.com/max3a3/paper.js/commit/bda49d5f105caa0453d42509597e2fead75377f8
bda49d5f105caa0453d42509597e2fead75377f8

add new methods  View.isDragging and Tool.onFrame
https://github.com/max3a3/paper.js/commit/d31565453d2dec3a38aba63445802b04f82b32ee

fix upper case detection
939691330e6c7d292f6724fd31d4607c1bf49940


fix pathfitter don't overfit on closed path
2a6cdf572c2a533c3f3292998947380b3e01f9ba

pattern image  {pattern: }  this is older pattern patch from https://github.com/csk157/paper.js
c749c28115f2a1956010c1d30bbecfce727ecfd0


itempattern {itempattern: }  can use paper item as fill or raster
504d7b3eec38cb457c5cf20a20e5b36fac0ae68f

expose this.CanvasProvider in the PaperScope
3e20c2c353d2f29a576b530a4685f6d4982414b5


allow Canvas object to be pattern (usecase of texgen  see test_fill.js line #132
a5f32477418d0855669632c849756c8d1c8c0745

remove preinstall in package.json, crap out with yarn install in windows