Fix og:url property in base template (fixes #129).
Fix og:url property in base template (fixes #129).

EuroPython/djep,pysv/djep,pysv/djep,zerok/pyconde-website-mirror,EuroPython/djep,zerok/pyconde-website-mirror,EuroPython/djep,EuroPython/djep,pysv/djep,pysv/djep,pysv/djep,zerok/pyconde-website-mirror