Some docs about coding

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diff --git a/doc/coding/coding-style b/doc/coding/coding-style
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+Some guidelines
+
+-- 1. Leading Tabs, no spaces.
+.vimrc:
+set noexpandtab
+set tabstop=<spaces to display per tab>
+set autoindent
+
+If you want to see leading/trailing spaces:
+highlight ExtraWhitespace ctermbg=red guibg=red
+match ExtraWhitespace /^\t*\zs \+\|\s\+\%#\@<!$/
+
+
+-- 2. ALL_CAPS_VARIABLE_NAMES
+Variable names should be in caps. You can use lowercase
+in for statements, like "for i in $SOME_STUFF; do"
+Some old scripts haven't been updated yet....
+
+
+-- 3. "do", "then" ... on the same line
+for i in x; do
+if  [ xyz ]; then
+
+
+-- 4.
+
+
diff --git a/doc/coding/shell-scripts b/doc/coding/shell-scripts
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+Since this framework is supposed to work on several
+distributions, we cannot rely on a certain shell
+always being available in one specific version.
+Care should be taken which shebang a script uses.
+As the only shell we know for sure will be there
+is the ash that comes with busybox it is advised
+that you write scripts that are compatible to ash
+whenever possible.
+So pretty much all scripts should start with
+#!/bin/ash
+It is guaranteed by the framework that /bin/ash
+will link to mltk's busybox binary.
+
+In case you have a fancy script that uses some bash
+features it is reasonably safe to assume that the
+distribution in use supplies a halfway up to date
+bash version, so if you don't use any bleeding edge
+features you might use
+#!/bin/bash
+for that script. Keep in mind that bash takes a
+little while to start up (even if loaded from ram),
+so don't use it if you don't have to.
+
+You should NEVER USE /bin/sh as the shebang, as the
+results are undefined. /bin/sh links to something
+distribution specific, so just because it works on
+one system doesn't mean it works on another
+(debian/ubuntu's dash is great in breaking bash
+scripts for example).
+We do not modify /bin/sh so we don't accidentally
+break any scripts that come with the distro (stage4).
+
diff --git a/doc/coding/vim-coloring b/doc/coding/vim-coloring
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+In case you want to have proper syntax highlighting:
+
+
+For mltk module files, in .vimrc:
+au BufRead,BufNewFile *.build set filetype=sh
+au BufRead,BufNewFile *.conf set filetype=sh
+au BufRead,BufNewFile *.conf.* set filetype=sh
+au BufRead,BufNewFile *.inc set filetype=sh
+au BufRead,BufNewFile *.include set filetype=sh
+
+
+For #!/bin/ash in scripts, create .vim/scripts.vim:
+if did_filetype()
+	finish
+endif
+
+if getline(1) =~# '^#!.*/ash'
+	setf sh
+endif
+