Merge pull request #3 from julien/master

Using cascades for UI creation and Stopwatch instead of Date
bumping version
adding authors
minor updates to read me and pub spec
Adding browser package
Merge pull request #4 from financeCoding/master

Updating browser and readme
update license file
add unit test support
adding unit test
adding out generated by DumpRenderTree to ignore
Setting up headless mode testing.
Including runner and analysis script
Adding drone.io badge
update pub spec
Merge pull request #5 from financeCoding/master

adding drone.io configuration
update read me
fix readme links
fixing links again
adding pub spec constraints
adding updated drone link