Update conf.py.in

BLOG_URL used with SEARCH_FORM not declared. Change it to SITE_URL.
Update conf.py.in

flake8 fixes
Ensure LateTasks are executed later than tasks, and fix sitemap generation
Merge pull request #481 from notfoss/patch-1

Update conf.py.in
Merge pull request #482 from notfoss/patch-2

Update conf.py.in
DOC: removing flag for import_wordpress example
Merge pull request #485 from ivanov/import_wordpress_without_-f

DOC: removing flag for import_wordpress example
Fix #483
Merge branch 'master' of github.com:ralsina/nikola
document (haha) TaskMultiplier
remove issue where TIMEZONE variable attempts to overwrite a tz-aware datetime value
Pull timezone info and write it to the conf.py file
Adding my infor the AUTHORS.txt
cleaned up the code a bit
ENH: Allow posts to be scheduled in the future.

Adds the feature of scheduling posts to be published in future.  Of
course, this would need the site to be built and deployed for the new
pages to show up.
Fix #491 Only render the last index page
Merge pull request #488 from troytoman/txfix

Fix for the timezone issue I found with Posterous imports
updated changelog
Merge pull request #492 from gbarba/master

Fix #491 Only render the last index page
Fix #494 #493