force canvas to draw image at specified size
fix package.json
Merge pull request #98 from slacktracer/master

verlet integrator was misidentified as the improved euler integrator
fix issue #99
fix for issue #94
continuation of fix for issue #99
updated devDependencies

grunt-contrib-jasmine
a new, tentative, integrator

metre-per-second-squared-verlet
merging from original