Automatically pull requested known locales

A little workarround to check first if the locale is not already known by messageformat, before throwing any "Plural Function not found" error.
Would be a better improvement to "automatically pull in all known locales" as described in README.md?
Fix client-side previously introduced bug

module AND module.exports are not know by the browser (by default)
Merge pull request #26 from Magomogo/version-0.1.7

version up
Bump travis supported node versions
Merge pull request #21 from jokesterfr/add_known_locales

Add known locales
Uncheck-in node_modules and update deps
Add failing test for octothorpes outside of curly braces.
simple output for simple messageFormatPattern
updated examples/{en,fr}/i18n.js
fix for bad octothorpe correction
also applied to lib/messageformat.dev.js
also applied to lib/messageformat.dev.js
Merge pull request #33 from eemeli/patch-2

Fix for bad octothorpe correction
Merge pull request #32 from eemeli/patch-1

Simpler output for simple messageFormatPattern cases