Change default URL priority to the 0.5 (#123)
Change default URL priority to the 0.5 (#123)

* Change default URL priority to the 0.5

The default page priority should be 0.5, check docs here http://www.sitemaps.org/protocol.html#xmlTagDefinitions .

WARNING: It entails possible BC breaks.

* Set 0.5 as a default priority value for annoations

* Revert previous changes

prestaconcept/PrestaSitemapBundle