.bashrc: Set path to Ansible hosts file

Look for `hosts` in current directory, so we can always use different
playbooks without having to keep changing depending on the playbook.

Signed-off-by: Alan Orth <alan.orth@gmail.com>
.bashrc: Look for Node.js binaries in current directory

Signed-off-by: Alan Orth <alan.orth@gmail.com>