Update the iCub user enviroment documentation

[GiulioRomualdi]

This closes #324

[pattacini]

Thank you @GiulioRomualdi!
For consistency, would you mind updating also the following snippet

documentation/docs/icub_operating_systems/pc104/the-icub-live-details.md

Lines 302 to 351 in 5d91996

	## User environment
	The SKEL `/etc/skel` files are used to generate the desired user environment for the icub user modifying the following files
	### .bashrc
	```
	#Load the iCub custom bashrc
	ICUBRC_FILE="${HOME}/.bashrc_iCub"
	if [ -f "$ICUBRC_FILE" ]; then
	source $ICUBRC_FILE
	fi
	.bashrc_iCub
	# .bashrc_iCub
	# setup the iCub enviroment
	if [ "$ICUBRC_FILE_LOADED" ]; then
	return
	fi
	export ICUBRC_FILE_LOADED="true"
	if [ "$PS1" ]; then
	echo "Setting up yarp and iCub env vars"
	fi
	# YARP and iCub enviroment variables
	export ROBOT_CODE=/usr/local/src/robot
	export ICUBcontrib_DIR=$ROBOT_CODE/iCubContrib
	export YARP_ROOT=$ROBOT_CODE/yarp
	export YARP_DIR=$YARP_ROOT/build
	export ICUB_ROOT=${ROBOT_CODE}/icub-main
	export ICUB_DIR=${ICUB_ROOT}/build
	export icub_firmware_shared_DIR=${ROBOT_CODE}/icub-firmware-shared/build
	export YARP_DATA_DIRS=${YARP_DIR}/share/yarp:${ICUB_DIR}/share/iCub:${ICUBcontrib_DIR}/share/ICUBcontrib
	export FIRMWARE_BIN=${ROBOT_CODE}/icub-firmware/build
	# Set the name of your robot here.
	# Please change also the root user password
	export YARP_ROBOT_NAME=
	if [ "$YARP_ROBOT_NAME" = "" ] && [ -f "${ROBOT_CODE}/yarp_robot_name.txt" ]
	then
	export YARP_ROBOT_NAME=$( head --lines=1 ${ROBOT_CODE}/yarp_robot_name.txt )
	fi
	# Set-up optimizations
	export CMAKE_BUILD_TYPE=Release
	export PATH=$PATH:$ICUB_DIR/bin:$YARP_DIR/bin
	# DebugStream customization
	export YARP_VERBOSE_OUTPUT=0
	export YARP_COLORED_OUTPUT=1
	export YARP_TRACE_ENABLE=0
	export YARP_FORWARD_LOG_ENABLE=0
	# To enable tab completion on yarp port names
	if [ -f $YARP_ROOT/scripts/yarp_completion ]; then
	source $YARP_ROOT/scripts/yarp_completion
	fi
	```

as reported in #324 (comment)?

[GiulioRomualdi]

Hi @pattacini I updated the file in 3323f66

[pattacini]

Super! Thanks.

[lrapetti]

This was changed from .bashrc_iCub to .bashrc_erogCub, probably you missed it @pattacini @GiulioRomualdi.

btw is there an equivalent documentation for ergoCub right?

[pattacini]

Thanks for pointing that out! I'll revert these changes.

btw is there an equivalent documentation for ergoCub right?

We have the following doc, which doesn't go into the same level of details:

• https://icub-tech-iit.github.io/documentation/ergocub_operating_systems/

[pattacini]

Fixed via e8b2f55.