[IMP] point_of_sale: posbox_create_image fixes

- set keyboard layout to us
- install GNU screen
- add udev rules to make USB devices accessible to the usbusers group
- setup crontab to delete odoo sessions/*
- define inputrc and vimrc

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/default/keyboard

+# KEYBOARD CONFIGURATION FILE
+
+# Consult the keyboard(5) manual page.
+
+XKBMODEL="pc105"
+XKBLAYOUT="us"
+XKBVARIANT=""
+XKBOPTIONS=""
+
+BACKSPACE="guess"
\ No newline at end of file

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init_posbox_image.sh

@@ -31,7 +31,7 @@ apt-get -y autoremove
 apt-get update
 apt-get -y dist-upgrade
 
-PKGS_TO_INSTALL="adduser postgresql-client python python-dateutil python-decorator python-docutils python-feedparser python-imaging python-jinja2 python-ldap python-libxslt1 python-lxml python-mako python-mock python-openid python-passlib python-psutil python-psycopg2 python-pybabel python-pychart python-pydot python-pyparsing python-pypdf python-reportlab python-requests python-simplejson python-tz python-unittest2 python-vatnumber python-vobject python-werkzeug python-xlwt python-yaml postgresql python-gevent python-serial python-pip python-dev localepurge vim mc mg"
+PKGS_TO_INSTALL="adduser postgresql-client python python-dateutil python-decorator python-docutils python-feedparser python-imaging python-jinja2 python-ldap python-libxslt1 python-lxml python-mako python-mock python-openid python-passlib python-psutil python-psycopg2 python-pybabel python-pychart python-pydot python-pyparsing python-pypdf python-reportlab python-requests python-simplejson python-tz python-unittest2 python-vatnumber python-vobject python-werkzeug python-xlwt python-yaml postgresql python-gevent python-serial python-pip python-dev localepurge vim mc mg screen"
 
 apt-get -y install ${PKGS_TO_INSTALL}
 
@@ -48,14 +48,22 @@ pip install pyusb==1.0.0b1
 pip install qrcode
 pip install evdev
 
+groupadd usbusers
+usermod -a -G usbusers pi
 usermod -a -G lp pi
 
 sudo -u postgres createuser -s pi
 mkdir /var/log/odoo
 chown pi:pi /var/log/odoo
 
+echo "* * * * * rm /var/run/odoo/sessions/*" | crontab -
+
 update-rc.d odoo defaults
 
+# https://www.raspberrypi.org/forums/viewtopic.php?p=79249
+# to not have "setting up console font and keymap" during boot take ages
+setupcon
+
 # create dirs for ramdisks
 create_ramdisk_dir () {
     mkdir "${1}_ram"

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/udev/rules.d/99-usb.rules

+SUBSYSTEM=="usb", GROUP="usbusers", MODE="0660"
+SUBSYSTEMS=="usb", GROUP="usbusers", MODE="0660"
\ No newline at end of file

addons/point_of_sale/tools/posbox/overwrite_before_init/home/pi/.inputrc

+#
+set meta-flag on
+set convert-meta off
+set input-meta on
+set output-meta on
+set show-all-if-ambiguous on
+set visible-stats on
+set bell-style none
+# set bell-style visible
+#"\M-k": kill-whole-line
+#----------------------------------------------------------
+# arrows left/right/up/down
+"\e[C": forward-char
+"\e[D": backward-char
+"\e[A": previous-history
+"\e[B": next-history
+# ---------------------------------------------------------
+# pgup/pgdn
+"\e[6~": history-search-forward
+"\e[5~": history-search-backward
+#----------------------------------------------------------
+# insert,delete
+#"\e[2~": quoted-insert
+"\e[3~": delete-char
+# esc+delete, esc+backspace
+"\e\e[3~": kill-word
+"\e\C-h": backward-kill-word
+#----------------------------------------------------------
+# ctrl left/right (rxvt)
+"\eOc": forward-word
+"\eOd": backward-word
+# ctrl left/right (xterm)
+"\e[1;5C": forward-word
+"\e[1;5D": backward-word
+# ctrl left/right (unknown)
+#"\e[5C": forward-word
+#"\e[5D": backward-word
+#"\e\e[C": forward-word
+#"\e\e[D": backward-word
+# ---------------------------------------------------------
+# home/end (linux console)
+"\e[1~": beginning-of-line
+"\e[4~": end-of-line
+# home/end (rxvt)
+"\e[7~": beginning-of-line
+"\e[8~": end-of-line
+# home/end (xterm, freebsd console)
+"\e[H": beginning-of-line
+"\e[F": end-of-line
+# home/end (non RH/Debian xterm, unknown)
+"\eOH": beginning-of-line
+"\eOF": end-of-line
+"\eOw": end-of-line

addons/point_of_sale/tools/posbox/overwrite_before_init/home/pi/.vimrc

+set all&
+set autoindent
+set backspace=2
+set nobackup
+set nocompatible
+set noerrorbells
+set noexpandtab
+set expandtab
+set number
+set hidden
+set history=500
+set hlsearch
+set ignorecase
+set modeline
+set ruler
+set shiftwidth=4
+set scrolloff=5
+set showcmd
+set showmode
+set tabstop=4
+set textwidth=0
+set visualbell
+set t_vb=
+set wrap
+set list
+set listchars=tab:~.,trail:.,extends:>,precedes:<
+set viminfo="NONE"