Format examples and lint markdown

README.md

@@ -1,4 +1,5 @@
 # microdata
+
 A microdata parser in Go
 
 See [http://www.w3.org/TR/microdata/](http://www.w3.org/TR/microdata/) for more information about Microdata
@@ -13,20 +14,20 @@ Simply run
 
 Documentation is at [http://godoc.org/github.com/iand/microdata](http://godoc.org/github.com/iand/microdata)
 
-
 ## Usage
 
 Example of parsing a string containing HTML:
 
-	package main
+```go
+package main
 
-	import (
+import (
     "github.com/iand/microdata"
     "net/url"
     "strings"
-	)
+)
 
-	func main() {
+func main() {
     html := `<div itemscope>
         <p>My name is <span itemprop="name">Elizabeth</span>.</p>
     </div>`
@@ -40,13 +41,15 @@ Example of parsing a string containing HTML:
     }
 
     println("Name: ", data.Items[0].Properties["name"][0].(string))
-	}
+}
+```
 
 Extract microdata from a webpage and print the result as JSON
 
-	package main
+```go
+package main
 
-	import (
+import (
     "bytes"
     "io/ioutil"
     "net/http"
@@ -54,9 +57,9 @@ Extract microdata from a webpage and print the result as JSON
     "os"
 
     "github.com/iand/microdata"
-	)
+)
 
-	func main() {
+func main() {
 
     baseUrl, _ := url.Parse("http://www.designhive.com/blog/using-schemaorg-microdata")
 
@@ -71,17 +74,15 @@ Extract microdata from a webpage and print the result as JSON
 
     json, _ := data.JSON()
     os.Stdout.Write(json)
-	}
-
+}
+```
 
 ## Authors
 
 * [Ian Davis](http://github.com/iand) - <http://iandavis.com/>
 
-
 ## Contributors
 
-
 ## Contributing
 
 * Do submit your changes as a pull request