chore(telegraf): make binaries and scripts executable

Author: Jonathan Chauncey

.gitignore

@@ -4,4 +4,7 @@
 .DS_Store
 
 telegraf/manifests/*.tmp.yaml
-influxdb/manifests/*.tmp.yaml
+influxdb/manifests/*.tmp.yaml
+
+telegraf/rootfs/envtpl
+telegraf/rootfs/telegraf

telegraf/rootfs/Dockerfile

@@ -14,5 +14,6 @@ COPY config.toml.tpl /config.toml.tpl
 
 RUN chmod +x /telegraf
 RUN chmod +x /envtpl
+RUN chmod +x /start-telegraf
 
 ENTRYPOINT ["/start-telegraf"]