Add new unit test for inline asm syntax passing through input variables to output variables.
disable registerize when seeing inline js in non-asm mode, as we do not protect it from replacements there; fixes #1614
Merge pull request #1613 from juj/inline_asm_testcase

inline_asm_testcase
we only allow 1 exported variable from inline js; #1613
abort registerize at the proper early time when we need to
update other.test_js_optimizer
Merge branch 'incoming' of https://github.com/kripken/emscripten into hp-beta