Add Firefox 29 on Windows and OS X
Use latest supported firefox version on OS X
Add newest Chrome version and delete some older version
Merge pull request #153 from latin-language-toolkit/more-browsers

Testing more browsers
Hack node ordering in dagre-d3.
Fix typo in dagre-d3
Add grunt task uglify:dagred3
Update dagre-d3.min and add map file
Add variable to revert sorting

Can later be used for right to left languages.