Add build_package and deploy_package to fabfile.
Revert "Add build_package and deploy_package to fabfile."

This reverts commit b8bdc7be71be92819c9eb87ade0df04ab5503182.
Add build_package and deploy_package to fabfile.
Fix package.json.
deploy_package -> upload_package in fabfile.
Update fabfile.
Fix locales and loading the locales files (bug 1006620)
Simplify header css, make it possible to have titles on >1 lines (bug 1001121)
Only keep locales we'll need (bug 1001121)