set defaults for unset variables, trim trailing spaces

Dmitry Verkhoturov

20.10.2018 e9c7cc5c2fdc70603571516137d85bfaefbd4390

 exampleSite/config.toml

@@ -9,7 +9,7 @@
googleAnalytics = ""

# Copyright
copyright = "©2017 Your Name"
copyright = "©2018 Your Name"

[params]