Add target config file and update Grunt config to build the targets
Add grunt clean task
Add placeholders for grunt gendev and gentest
Generate developer versions of web-animations.js
Make grunt gentest work
Fix bad src path
Update readme
Tidy up runner template
Make test runner dynamically load build target source and test files
Make web-animations.dev.js dynamically load build target source file list
Add target-config comment
Use full file paths in config
Minor reordering
More consistent error reporting
Add pre-generated minifill files
Add concept of a default build target
Change default target to maxifill
Revert change to readme
Merge pull request #57 from alancutter/multipleGruntTargets

Introduce Grunt build targets