Fix template to suport empty social parameter

Luiz de Prá

23.28.2018 853492596dd78dedb755e66db8d79d01e13c66b2

 exampleSite/config.toml

@@ -12,10 +12,6 @@
pygmentscodefences = true
pygmentscodefencesguesssyntax = true

[permalinks]
    posts = "posts/:title/"
    default = ":title/"

[params]
    author = "John Doe"
    description = "John Doe's personal website"