Adding GOPATH

docs/sources/project/building_from_source.md

@@ -17,6 +17,7 @@ dev environment.
 ## Get Code
 
 ```
+export GOPATH=``pwd`
 go get github.com/grafana/grafana
 ```
 
@@ -24,11 +25,11 @@ go get github.com/grafana/grafana
 ```
 cd $GOPATH/src/github.com/grafana/grafana
 go run build.go setup            (only needed once to install godep)
-godep restore                    (will pull down all golang lib dependecies in your current GOPATH)
+$GOPATH/bin/godep restore                    (will pull down all golang lib dependecies in your current GOPATH)
 go build .
 ```
 
-# Building on Windows
+## Building on Windows
 The Grafana backend includes Sqlite3 which requires GCC to compile. So in order to compile Grafana on windows you need
 to install GCC. We recommend [TDM-GCC](http://tdm-gcc.tdragon.net/download).