Update 1.1.5.0

This update updates the balance of the game a little alongside fixing a rare crashing issue. Numerous behind the scenes changes have been made to make way for the next content update, which will feature a new leader skill set based around "Super Weapon" structures.

• Re-balanced gold and mana income to rely more on city population.
• City population can now be damaged and regrown.
• World spells can now be right clicked to bring up a description window.
• fixed a crash after killing an army with a spell after a quest has become available.