Barracks resources generation and research re-adjustment

[Rosalysa]

• Builder axe and both the Arsenal tripmine layer and the spike layer (plus paps) give barrack resources on hit.
• Villager starts on retreat order (and gives 33% less resources now due to researches being generally easier to obtain in terms of resources)
• A lot of researches got rebalanced to be more reasonable to research in both cost and time
• Hussar costs 30 gold instead of 50
• Added a confirm request to kill the barrack unit to avoid missclicks
• Added description to the 3 weapons in question to let people know those weapons give barrack resources
• Freaking shot myself in the head by finishing fixing the test server and triple checking if everything worked at 3 am basically (Thanks Artvin for the help with the damned server, tf2 updates be damned x.x)