Merge pull request #3 from michelson/master

merge surajreddy, and michelson, keeep gem package is edge fresh.
readme travis CI
cleaner README
added functionality to add js methods into the options
bug fix for strict json and documentation
Merge pull request #52 from kujilabs/master

Added js ability within options and tests
Improved readability of Readme (mostly code blocks)
Merge pull request #56 from HectorMalot/patch-1

Readability of Readme (mostly code blocks)
ensured highChart loads after page is loaded with JavaScript
fixed broke tests.
Support stacked window.onload() calls
Add spec coverage for the onload changes
Correct the syntax, needs a wrapper
Fixed reference to the wrong rails version.
added functionality to add js methods into the options
bug fix for strict json and documentation
Improved readability of Readme (mostly code blocks)
clean workround
correct typo and update change log
update assets path