Update README and RELEASING. (#130)

* Update README and RELEASING.

* Use better releasing commands for Go.

README.md

@@ -12,6 +12,12 @@ consistency and interoperability for the different implementations.
 
 ## Quickstart
 
+### Install to Go
+
+```bash
+$ go get -u github.com/census-instrumentation/opencensus-proto
+```
+
 ### Add the dependencies to your Java project
 
 For Maven add to `pom.xml`:

RELEASING.md

@@ -17,10 +17,13 @@ Follow the instructions [here](http://google.github.io/proto-lens/installing-pro
 Then run the following commands to re-generate the gen-go files:
 
 ```bash
+$ cd $(go env GOPATH)/src/github.com/census-instrumentation/opencensus-proto
 $ git checkout -b update-gen-go
+$ rm -rf gen-go
 $ cd src
 $ ./mkgogen.sh
-$ git commit -a -m "Update gen-go files."
+$ git add -A
+$ git commit -m "Update gen-go files."
 ```
 
 Go through PR review and merge the changes to GitHub.