Add bash_profile for VM build

util/vm/.bash_profile

+SSH_ENV="$HOME/.ssh/environment"
+
+function start_agent {
+     echo "Initialising new SSH agent..."
+     /usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
+     echo succeeded
+     chmod 600 "${SSH_ENV}"
+     . "${SSH_ENV}" > /dev/null
+     /usr/bin/ssh-add;
+}
+
+# Source SSH settings, if applicable
+
+if [ -f "${SSH_ENV}" ]; then
+     . "${SSH_ENV}" > /dev/null
+     #ps ${SSH_AGENT_PID} doesn't work under cywgin
+     ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
+         start_agent;
+     }
+else
+     start_agent;
+fi
+
+source ~/.bashrc