added deploy watch, pull script. minor refactors

scripts/deploy-watch.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=hwilliams dev root watcher
+After=docker.service network-online.target
+Wants=network-online.target
+Requires=docker.service
+
+[Service]
+Type=simple
+User=__DEPLOY_USER__
+WorkingDirectory=__REPO_DIR__
+Environment=REPO_DIR=__REPO_DIR__
+Environment=SERVICE=__SERVICE__
+ExecStart=__REPO_DIR__/scripts/deploy-watch.sh
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target