make a lot of things depend on TIMEZONE
Merge pull request #1138 from getnikola/fix-1110

make a lot of things depend on TIMEZONE
update issue number in changelog for #1100

fix #1100
Deprecate `retired` tag (via #686)

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
fix leftover is_retired calls

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
remove redundant set_site impl.
defining interfaces
add template injection mechanism
trailing whitespace
explanatory comments
flake8
fix inconsistency
Merge pull request #1140 from getnikola/template_injection

Template injection
Merge branch 'master' into invariant

Conflicts:
	CHANGES.txt