docs(readme): declare code as bash

README.md

@@ -80,13 +80,13 @@ the latest master builds [here](http://grafana.org/download/builds)
 
 
 ### Get Code
 ### Get Code
 
 
-```
+```bash
 go get github.com/grafana/grafana
 go get github.com/grafana/grafana
 ```
 ```
 
 
 ### Building the backend
 ### Building the backend
 Replace X.Y.Z by actual version number.
 Replace X.Y.Z by actual version number.
-```
+```bash
 cd $GOPATH/src/github.com/grafana/grafana
 cd $GOPATH/src/github.com/grafana/grafana
 go run build.go setup            (only needed once to install godep)
 go run build.go setup            (only needed once to install godep)
 godep restore                    (will pull down all golang lib dependencies in your current GOPATH)
 godep restore                    (will pull down all golang lib dependencies in your current GOPATH)
@@ -98,7 +98,7 @@ go run build.go build
 To build less to css for the frontend you will need a recent version of of node (v0.12.0),
 To build less to css for the frontend you will need a recent version of of node (v0.12.0),
 npm (v2.5.0) and grunt (v0.4.5). Run the following:
 npm (v2.5.0) and grunt (v0.4.5). Run the following:
 
 
-```
+```bash
 npm install
 npm install
 npm install -g grunt-cli
 npm install -g grunt-cli
 grunt
 grunt
@@ -106,13 +106,13 @@ grunt
 
 
 ### Recompile backend on source change
 ### Recompile backend on source change
 To rebuild on source change (requires that you executed godep restore)
 To rebuild on source change (requires that you executed godep restore)
-```
+```bash
 go get github.com/Unknwon/bra
 go get github.com/Unknwon/bra
 bra run
 bra run
 ```
 ```
 
 
 ### Running
 ### Running
-```
+```bash
 ./bin/grafana-server
 ./bin/grafana-server
 ```
 ```