[#188] Output a CSV for every plot
Revert "Remove work on annual report stats as it's not ready"

This reverts commit 78963ea67b65606bbfc3afeba3d85cd976d2ab45.
[#187][#195] Reduce Publishing Statistics section to Timeliness tab

Also renames the section from Annual Report to Publishing Statistics
[#187][#195] Add missing template
Add bespoke CSV generation for the speaker's kit
[#193] Rename timeliness of transactions to time lag
[#197] Look up against Region list as well as Country for publisher_country
[#193] Use updated timelag calculation
[#194] Add frequency calculation
Fix typo, and update timelag header #200
[#191] Add CSV downloads for timeliness
[#196] Timeliness - Sort by assesment by default

The sorting is based on the chronological order of the assesment text,
instead of alphabetical.

Also makes substantial changes to the timeliness csv ( #191 )
Merge branch 'live'
Add brief explanations of timeliness tables
[#199] Display zeroes in timeliness tables but grey them out
[#199] Ensure zeroes are displayed in CSVs
[#201] Add sticky headers to timeliness tables
[#213] Rename Assessment column
[#207] Move Frequency and Time lag onto separate tabs
[#191] Add links to CSVs