zlib: Fix compilation warning in example.c
test_zlib works on Node, so re-enable it.
emar can receive --em-config. Don't pass along to llvm-ar.

Fixes issue #2886.
Merge pull request #2888 from waywardmonkeys/zlib_tests

Zlib tests
minor cleanups in minifyLocals
misc site updates
do not warn on run deps existing when no asserts
Centralize --em-config handling.

Per request of Alon.
Add glTexImage3D from GLES3.
Merge pull request #2892 from dvander/glTexImage3D

Add glTexImage3D from GLES3.
add mouseover/out events to html5.5; 1.25.2
test repeated vswprintf
reuse a single file in the vswprintf hack
Merge pull request #2887 from waywardmonkeys/emar-em-config

emar can receive --em-config. Don't pass along to llvm-ar.
update memory growth code
Merge branch 'incoming' into emterpreter