Major cleanup and restructuring

- remove custom module loader, use zplug for own plugins
- move config parts from modules to files
- move other module parts to separate zsh plugins

bindings.zsh

@@ -0,0 +1,86 @@
+#!/bin/zsh
+
+bindkey -v
+
+typeset -A key
+
+key[Home]=${terminfo[khome]}
+key[End]=${terminfo[kend]}
+key[Insert]=${terminfo[kich1]}
+key[Delete]=${terminfo[kdch1]}
+key[Up]=${terminfo[kcuu1]}
+key[Down]=${terminfo[kcud1]}
+key[Left]=${terminfo[kcub1]}
+key[Right]=${terminfo[kcuf1]}
+key[PageUp]=${terminfo[kpp]}
+key[PageDown]=${terminfo[knp]}
+
+[[ -n "${key[Home]}"     ]]  && bindkey  "${key[Home]}"     beginning-of-line
+[[ -n "${key[End]}"      ]]  && bindkey  "${key[End]}"      end-of-line
+[[ -n "${key[Insert]}"   ]]  && bindkey  "${key[Insert]}"   yank
+[[ -n "${key[Delete]}"   ]]  && bindkey  "${key[Delete]}"   delete-char
+[[ -n "${key[Up]}"       ]]  && bindkey  "${key[Up]}"       up-line-or-search
+[[ -n "${key[Down]}"     ]]  && bindkey  "${key[Down]}"     down-line-or-search
+[[ -n "${key[Left]}"     ]]  && bindkey  "${key[Left]}"     backward-char
+[[ -n "${key[Right]}"    ]]  && bindkey  "${key[Right]}"    forward-char
+[[ -n "${key[PageUp]}"   ]]  && bindkey  "${key[PageUp]}"   history-beginning-search-backward
+[[ -n "${key[PageDown]}" ]]  && bindkey  "${key[PageDown]}" history-beginning-search-forward
+
+bindkey "^[e"   expand-cmd-path        # C-e for expanding path of typed command.
+bindkey " "     magic-space            # Do history expansion on space.
+bindkey $'\177' backward-delete-char   # backspace
+bindkey $'\10'  backward-delete-word   # C-backspace
+
+bindkey -M vicmd ! edit-command-line-tmux
+
+#unicode input
+autoload -U insert-unicode-char
+zle -N insert-unicode-char
+bindkey "^Vu"  insert-unicode-char
+
+bindkey "\e."  insert-last-word
+
+bindkey "\e[1;5D" vi-backward-blank-word
+bindkey "\e[1;5C" vi-forward-blank-word
+
+bindkey $'\20' push-line-or-edit
+
+# Finally, make sure the terminal is in application mode, when zle is
+# active. Only then are the values from $terminfo valid.
+local function zle-line-init () {
+    echoti smkx 2> /dev/null
+}
+local function zle-line-finish () {
+    echoti rmkx 2> /dev/null
+}
+zle -N zle-line-init
+zle -N zle-line-finish  
+
+insert_sudo () { zle beginning-of-line; zle -U "sudo "; zle end-of-line }
+zle -N insert-sudo insert_sudo
+bindkey "^[s" insert-sudo
+
+local function accept-or-recall-and-infer-history() {
+	if [[ -z $PREBUFFER$BUFFER ]]; then
+		zle up-line-or-history
+		zle infer-next-history
+
+	else
+		zle accept-and-infer-next-history -- "$@"
+	fi
+}
+zle -N  accept-or-recall-and-infer-history
+bindkey "\e^M" accept-or-recall-and-infer-history
+
+if exists incstring; then
+	local function inc-last-command() {
+		if [[ -z $BUFFER ]]; then
+		    BUFFER=$(incstring "$(history -n -1)");
+		else
+		    BUFFER=$(incstring "$BUFFER");
+		fi
+		zle vi-end-of-line
+	}
+	zle -N  inc-last-command
+	bindkey "^A" inc-last-command
+fi