BUGS FIXED

- fix shopping UI bug
- fix navmesh
- fix player health bar (now it won't be seen by itself but can be seen
by others)
- fix team health bug, but it decreases too fast
Revert "BUGS FIXED"

This reverts commit 35b2c500a294c026432b32760e3c50fa493e60ca.
Revert "Revert "BUGS FIXED""

This reverts commit 163f76e6f8c1a95017572481b02a21f5198f6db6.
fix wrong operation of commit....delete build files