fix docker. add cdd var

dot_bashrc.d/docker.bashrc.tmpl

@@ -1,5 +1,5 @@
 # docker
-if docker tig 2>/dev/null; then
+if hash docker 2>/dev/null; then
     export DOCKER_COMPOSE_BIN='{{ .docker_compose_command }}'
     docker-compose ()
     {

dot_bashrc.tmpl

@@ -134,6 +134,7 @@ if hash nix-env 2>/dev/null; then
 fi
 
 alias cdd='cd {{ .deploydir }}'
+export cdd={{ .deploydir }}
 
 # ---------------------------------------------------------------------------
 #  COMPLETIONS