Tempest of War for two. Secondaries to go.

While the scanners are scanning the new daemonic codex, I am intensively working on the technical part of the site:

1) For Tempest of War, I implemented the ability to play together on one device (look for the corresponding checkbox on the page).

2) Added an export Secondaries.csv file with secondary objectives (factional + common) for all types of grand tournaments. I also expanded the Factions.csv table to include subfactions (see spec).