AmdModuleCompiler was merged upstream.

Update the TwigJs library to use the newly merged AmdModuleCompiler.
Update twig-js to use the AmdCompiler

The AmdModuleComiler has been merged upstream \o/

However, to use it we need a patch to enable compilation without an
explicit module name. And to use this patch, we must patch the
TwigJsBundle to point the composer dependency on twig-js to something
else than dev-master. Cumbersome.
Disable explicit module name in TwigJs's amd modules.
Merge pull request #19 from kimlai/update_twigjs

Update twigjs