Adding a script to help with VM customization

vm/gitsetup.sh

+#!/bin/bash
+
+# This is a shell script to assist non-technical users in customizing the git environment
+# in a VM that already has Mahara installed.
+
+localuser=qa
+homedir=/home/$localuser
+sshdir=$homedir/.ssh
+desktopdir=$homedir/Desktop
+wwwroot=/var/www/html/mahara
+
+echo "Please enter your name (e.g. \"Mike O'Connor\"): "
+read name
+echo "Please enter your email address: "
+read email
+
+echo ""
+echo "Setting up \"${name} <${email}>\..."
+echo ""
+
+cd $wwwroot
+git config --global user.name $name
+git config --global user.email $email
+
+mkdir $sshdir >> /dev/null 2>&1
+mkdir $desktopdir >> /dev/null 2>&1
+chmod 700 $sshdir
+if [ ! -f $sshdir/id_rsa.pub ]; then
+    ssh-keygen -t rsa -b 4096 -C $email -f $sshdir/id_rsa -N ""
+fi
+cp $sshdir/id_rsa.pub $desktopdir/id_rsa.pub.txt
+
+echo ""
+echo "Almost done! Now you need to enter your public SSH key into your Gerrit account."
+echo ""
+echo "1. Open up the text file \"id_rsa.pub.txt\" on your VM's desktop."
+echo "2. Copy its contents to the clipboard."
+echo "3. Go to https://reviews.mahara.org/#/settings/ssh-keys"
+echo "4. Click the \"Add Key ...\" button."
+echo "5. Paste the contents of \"id_rsa.pub.txt\" into the text field."
+echo "6. Click the \"Add\" button."
+echo ""
+echo "Then you should be able to push patches to Mahara's Gerrit, using \"make push\"!"