Equipmentprice show, bugfixxes

Some bugfixes:
* When a new Round Start every Player will be killed silently, so now
suicide will be detected
* New Players do not spawn as spectators, when they joined the game
after the round started.
* The equipment price will now be removed from the Players Money every
time when they spawn

* Added concommand dm_weapon_prices_delete
* Added concommand dm_weapon_clip_prices_delete

* The currents player money, the equipment price and the player money
after respawn will now be drawn between the "My Equipment" - and
"Attachments"-Button