Fix node.js embed bundles for windows

fix changes tern.eclipse.ide.server.nodejs.embed.win32.win32.x86 filter to
match only x86 achitectures, renames
tern.eclipse.ide.server.nodejs.embed.win32.x86_64 to 
tern.eclipse.ide.server.nodejs.embed.win32.win32.x86_64 to have consistent
naming for platform specific bundles.