Resave posts all 1.7

Resave posts all v1.7 changes:

Now requires running from CLI only. The closing of the board is no longer required.

Resave posts all v1.6 changes:

Added Post ID start and Post ID end to options page.

Resave posts all v1.5 changes:

Now requires closing board before add-on can run.

Resave posts all v1.4 changes:

Now requires the following two Options to be disabled before the add-on can be run: Enable edit log display after and Enable edit history and prune after.

Resave posts all v1.3 changes:

Added CLI support.

Resave posts all v1.2 changes:

Fixed issue with History link.

Resave posts all v1.1 changes:

Now preserves 'Last edited by' information.