v0.7.4, update docs

_docs/build.md

@@ -1,10 +1,8 @@
 # Build
 
-To build `ctop` from source, ensure you have [dep](https://github.com/golang/dep) installed and run:
+To build `ctop` from source, simply clone the repo and run:
 
 ```bash
-go get github.com/bcicen/ctop && \
-cd $GOPATH/src/github.com/bcicen/ctop && \
 make build
 ```
 
@@ -16,5 +14,8 @@ make image
 Now you can run your local image:
 
 ```bash
-docker run -ti --name ctop --rm -v /var/run/docker.sock:/var/run/docker.sock ctop
+docker run --rm -ti \
+  --name ctop \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  ctop:latest
 ```