Major fixes to releasable nations (South America, Caribbean, and Australasia)

A few fixes and some new flags

Filling in the gaps - Rome, Muscovy and Francia added

more fixes -

Hungarian 'reintegrate Austria-Hungary' decision should now be fixed - little misunderstanding with its code.

Two leaders for comoros and new caledonia fixed

Little fix

BIG fix - no more unwanted flags and blank leader images

Reverted to previous version - Made a mistake with GFX. Will fix this ASAP

Added:

North American Federation (Formable)
Iberian Union (Formable without focus tree)

All African unions now formable by respective African states.

Fixes to decision scripts to improve the ability for the AI to form nations (usually under the guidance of the player).

A few GFX and localisation changes.

Russian translation fix