Start Implementation of Fire Object
- Disable Fire Button on Client Startup, when the client hasn't the right to fire
- Fix some minor Bugs
Prepare Merge with commit d80ee41
Merge branch 'master' of https://github.com/TankCommander/JavaClient

Conflicts:
	src/ui/DrawPanel.java
Merge branch 'master' of https://github.com/TankCommander/JavaClient
Add function to receive flight path
Implement Fire Button