Rename testharness_bootstrap.js to bootstrap.js
Update reference to bootstrap.js in testcases
Load web-animations.js in bootstrap
Remove web-animations.js script from testcases
Add a nopolyfill flag to allow manual loading of the polyfill
Remove calls to console.log from test-runner and testharness_timing
Reimplement nochecks flag to toggle loading of '-checks.js' files
Specify nochecks flag for tests with no -checks.js file
Stop trying to post results once post failures are detected
Load polyfill directly in manual tests
Better error when the first argument of assert_styles is wrong
Fix tests
Merge pull request #279 from dstockwell/timing-error

Better error when the first argument of assert_styles is wrong
Rename Animation.targetElement to target and make read only.
Update tests that reference targetElement
Merge pull request #274 from dstockwell/boot

Resolve some outstanding issues in test-runner and bootstrap.
Update KeyframeAnimationEffect to reflect FPWD

- Update KeyframeAnimationEffect API
- Remove Keyframe from API as this is now just a dictionary
- Normalize keyframe dictionaries
- Update algorithm for normalizing (distributing) the list of keyframes
- Update algorithm for sampling a KeyframeAnimationEffect
- Handle interpolating between keyframes with different composite operations
- Remove redundant KeyframeList and GroupedAnimationEffect types
- Remove merge composite operation
- Update tests accordingly

Note that the only substantial change to the tests is in test-compositor.
Address Doug's comments
Update tests added after bootstrap refactor in aac98
Merge pull request #283 from dstockwell/fix-tests

Update tests added after bootstrap refactor in aac98