Check in the wasmstandalone code.

This is based on the code in https://github.com/denismerigoux/cretonne/commits/wasm2cretonne
before wasmstandalone was removed, with minor updates for the new library structure.
It is not yet updated for the latest cretonne API changes.

misc/vim/ftdetect/cton.vim

@@ -1 +0,0 @@
-au BufRead,BufNewFile *.cton set filetype=cton

misc/vim/syntax/cton.vim

@@ -1,42 +0,0 @@
-" Vim syntax file
-" Language:     Cretonne
-" Maintainer:   Jakob Stoklund Olesen <stoklund@2pi.dk
-" Last Change:  Jun 16, 2017
-
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
-  finish
-endif
-
-" Disable spell checking even in comments.
-" They tend to refer to weird stuff like assembler mnemonics anyway.
-syn spell notoplevel
-
-syn keyword ctonHeader test isa set
-syn keyword ctonDecl function jump_table incoming_arg outgoing_arg spill_slot local
-syn keyword ctonFilecheck check sameln nextln unordered not regex contained
-
-syn match ctonType  /\<[bif]\d\+\(x\d\+\)\?\>/
-syn match ctonEntity /\<\(v\|ss\|jt\|fn\|sig\)\d\+\>/
-syn match ctonLabel /\<ebb\d+\>/
-syn match ctonName /%\w\+\>/
-
-syn match ctonNumber /-\?\<[0-9_]\+\>/
-syn match ctonNumber /-\?\<0x[0-9a-fA-F_]\+\(\.[0-9a-fA-F_]*\)\?\(p[+-]\?\d\+\)\?\>/
-syn match ctonHexSeq /#\x\+\>/
-
-syn region ctonCommentLine start=";" end="$" contains=ctonFilecheck
-
-hi def link ctonHeader        Keyword
-hi def link ctonDecl          Keyword
-hi def link ctonType          Type
-hi def link ctonEntity        Identifier
-hi def link ctonLabel         Label
-hi def link ctonName          String
-hi def link ctonNumber        Number
-hi def link ctonHexSeq        Number
-hi def link ctonCommentLine   Comment
-hi def link ctonFilecheck     SpecialComment
-
-let b:current_syntax = "cton"