Updated libraries, docker engine version, docker distro version

This also officially publishes the changes from @eels.
Sorry it took so long.

tools/migrations/version-1.3.0.sql

@@ -1,6 +0,0 @@
-use news;
-ALTER TABLE revisions CHANGE COLUMN id `index` INTEGER(11) UNIQUE NOT NULL AUTO_INCREMENT;
-
-ALTER TABLE revisions DROP FOREIGN KEY revisions_ibfk_1;
-
-ALTER TABLE revisions CHANGE COLUMN originalIndex originalIndex INTEGER(11);

tools/migrations/version-1.4.0.sql

@@ -1,4 +0,0 @@
-ALTER TABLE articles ADD COLUMN rendered TEXT DEFAULT "" AFTER body;
-
-ALTER TABLE revisions ADD COLUMN rendered TEXT DEFAULT "" AFTER body;
-