Strip Currency Iso Codes

Comma separated lists should allow whitespaces.
Add rbenv files to gitignore.
Set master branch to use Spree v3.0.0.beta
Add Travis config.
Cleanup.
Remove script folder, already exist a bin folder.
Update Versiofile.
No need to inject empty manifest css.
Update docs.
Update .gemspec and dev dependencies.
Update spec support to play well with RSpec 3.1.x
Minor engine tweaks.
Use jQuery "on" for event hook.
Use next to skip iteration.
Use alias_method instead of alias.
Build version with Gem::Version.new
Add support config for Hund CI.
Add namespace and missing keys
Fixes missing namespace to locale keys in views.
Refactor syntax etc to make Rubocop happy.