make check supports URL_TYPE='absolute'
Fix a bunch of broken links in absolute mode
don't do canonical links when we don't know the permalink
handle links to folders correctly
removed comment
fix another bunch of links
fix broken permalinks in galleries
test
flake8
Merge branch 'master' into fix-1046
conflict
Merge pull request #1047 from getnikola/fix-1046

Fix 1046 (part 1)