Added Selection
Started Gold system
Added Gold System
Newly Placed Towers are autoselected
Expanded Comments of Level Class
Added lives
Draw background image instead of tiles

Work in progress, need to fix some textures/add transparency
Added Lives System.  Enemies die instantly and take away lives
Added Getter for Lives
Removed test print
Merge branch 'master' of https://github.com/siketh/COP4331_Project

Conflicts:
	TowerDefense/src/com/group23/TowerDefense/Level/Level.java
Display health and gold on top bar
fixed it so that enemys only get removed at end of path
Merge branch 'master' of https://github.com/siketh/COP4331_Project
Renamed Button.java to TopBar.Java
Merged branch master.
Merged master.