Merge branch 'feature/line-chart-init' into develop
Change name of examples folder to examples
Rename examples to preview_pages
Rename tools and components under gapminder and examples
Remove buggy :bug: history control
Remove tool id from core.
Remove unused util method
Remove underscore where it's not needed
Add travis configuration
Fix travis configuration
Remove submodule
Fix package
Add bower install to travis configuration
Fix travis configuration
Fix smart picker address
Add ruby and sass to travis build file
Add generator-vizabi as a dependency
Add Travis build image to readme
Update readme
Fix underscore removal from tools