Fix #1188 -- make hidetitle work in posts.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Fix #1163 -- Add post.description() to stories.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge pull request #1199 from getnikola/fix-hidetitle

Fix #1188 and #1163 -- make hidetitle work in posts; add post.description() to stories.
fix #1190 -- TextField has no max_length.
Fix #1201
fix rss tests
flake8
flake8
LOGO
add metadata to logo file