Alpha.0.5.7

Title: Fixing the beauty

Fixes

 * Non-working console commands removed
 * Intro effect lagging
 * Intro loading small speed-up
 * Population regrowth

Visuals

 * Fixed Intro effect lagging
 * Main menu effects fixed
 * Intro added CPU usage

Mechanics

 * Magic units are flagmen-less
 * Removed population upkeep