fix #59: [AMD / define in LiveScript / coco breaks (pre-define-ifi-statements)] - preDefineIFI statements are also those AFTER define, not only before it

fix #36 fix #49: exportsRoot: selective root exporting at build, depending on runtime

Bundle: adding exports.bundle (i.e combinedTemplate.exportsBundle_bundle_depsVars_ to combined template (i.e the RequireJS build's deps array).

NodeRequirer: fix bug with RequireJS returning undefined module instead of throwing