Made tags' and categories' path configuration more flexible.
Making sure there are no collisions between tags and categories.
Supporting PRETTY_URLS also for categories.
Fixed a problem with Python2.
Deprecation warning for WRITE_TAG_CLOUD.
Added/extended change documentation.
Using kw[] instead of self.site.config[] where possible.
fix handling of WRITE_TAG_CLOUD

Signed-off-by: Chris Warrick <kwpolska@gmail.com>
add category to 1.rst

Signed-off-by: Chris Warrick <kwpolska@gmail.com>
Merge pull request #1535 from getnikola/more_flexible_tags

Made tags' and categories' path configuration more flexible.