Update component.json

fix for component 0.17

component 0.13 yields 

TypeError: Object Chart.js has no method 'replace'
    at Object.exports.normalizeConfig (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/utils.js:24:40)
    at Builder.json (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:433:9)
    at new Builder (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:60:22)
    at /usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:643:25
    at next (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:296:14)
    at Builder.lookup (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:303:3)
    at /usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/lib/builder.js:640:14
    at /usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/node_modules/batch/lib/batch.js:65:5
    at Array.forEach (native)
    at Batch.end (/usr/local/share/npm/lib/node_modules/component/node_modules/component-builder/node_modules/batch/lib/batch.js:63:12)
make: *** [build] Error 8