Update CSV downloads with consistent date format ...

Fixes #1936

Added I18n formats date.formats.csv to allow for regional customisation

Fix broken tests caused by locale configuration (#1875) ...

* Fix broken tests caused by locale configuration

- Add LocaleSet
- Add LocaleFormatter to force proper string formats
- Rename I18n formats to use hyphen
- Add rake task for updating existing languages on DB
- Fix instances of US english in the templates

* Fix FastGettext initializer loader

* Add Amazon S3 creds for Travis

* Revert "Add Amazon S3 creds for Travis"

This reverts commit 366c1a7.

* Fix Faker localization for rake tasks

Was breaking rake db:seed file

added validation tests (#1868) ...

added validation tests

added fr for I18n failing tests

Add tests for locale setting (#1823) ...

* Add tests for locale setting

- Adds Faker::Language module for testing languages with real-ish data
- Refactors global constants into Language model (See Issue#1696)
- Add specs to test locale change works

* Clean up language files to remove long names

* Add DB check in FastGettext initializer

* Set Memory cache for temporary caching solution

* Fix bug in Plan Rule

added missing translation markup (#1633) ...

added missing fr_FR and pt_BR gem filkes and updated identifiers

Added `rake translatable:find` ...

ran gettext:find and fixed up en_US translations

added translatable:find task and fixed up a few files

added exception to po/pot backup files in gitignore

began fixing up pt_BR

added pt_BR translations

fixed issue with multiline translatable text on help page. reran translatable:find and fixed up app.pot, pt_BR, en_US and en_GB

fixed test

fixed another test

updated author comments

added devise and bootstrap translations for pt_BR

Merge pull request #1591 from CDLUC3/fix-welcome ...

Fix bug in welcome page