fix travis build path

.travis.yml

@@ -15,7 +15,7 @@ install:
 
 before_script:
   - env | sort
-  - cd "$VERSION"
+  #- cd "$VERSION"
   - image="willfarrell/letsencrypt:$VERSION"
 
 script:

README.md

@@ -2,6 +2,10 @@
 
 container to generate letsencrypt certs using dehydrated + lexicon
 
+## Supported tags and Dockerfile links
+- [`latest` (*Dockerfile*)](https://github.com/willfarrell/docker-letsencrypt/blob/master/Dockerfile)
+
+
 ## Dockerfile
 Use to set your own defaults
 ```Dockerfile