fix shared libs build

regen syn/greg.c

update roast6

fix -B bytecode VM: TESTJMP/NOTJMP use PN_TEST1 for Perl 0-is-false semantics

Makefile: remove suffix rules superseded by pattern rules

fix .gitmodules protocol to https

travis: disable unfree osx

Makefile: use $$c in for loop (unused)

doc: nekovm.org link => web.archive

Merge remote-tracking branch 'up/master' into p2

intov: check compiler versions: gcc 5, clang 3.4 only

ChangeLog: for numcmp and x86cmp

x86 jit+vm: cmp is too large to be inlined

doc/types.md: add links

libuv rpath: expand prefix earlier