x86: add Perl script for rex2 compatibility testing (not yet used)

assemble: make assemble() and insn_size() static

configure.ac: enable some -Werror= warnings not included in -W -Wall …

Add %note directive to add a note in the list file

iflags: add NOREX flag

More macroizing and sorting of instructions into categories

insns: macroize CALL

More matching/macrofication work; now passes "make travis"

insns: tag pseudo-instructions explicitly; change insnsa.c format

x86/insns.dat: macroize the UDx "instructions"

WIP: more matching and template work

insns: more macroization and organization

insns: macroize more instructions

insns: more macroized instructions and fix preprocessor bugs

insns: more macro goodness

doc: break the documentation into chapters

doc: break the documentation into chapters

doc: break the documentation into chapters

insns.pl: for scc encodings, add null string = true

struct insn: remove unused forw_ref flag

assemble: limit-check operand references

apx: support parsing special constants like {dfv=}

scanner: generalize the handling of {dfv=}

Merge remote-tracking branch 'github/nasm-2.16.xx'

mkdep: handle breakage from srcdir changes

stdscan: abstract out the saving/restoring of parser state

x86: move the bytecode defintion into a separate file in x86/

.editorconfig: hard tabs are still 8 spaces

doc: fix the equivalent description for %cond()

Add EditorConfig support