Don't let health drain in SP mode

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In SP mode players should spawn with just 100 health and it shouldn't degrade 
back to 100 if it goes over 100.

Original issue reported on code.google.com by era...@gmail.com on 25 May 2011 at 8:13

[GoogleCodeExporter]

Health no longer drains back to 100 (max health is now 999 instead of 100) and 
all types of health bubbles can push the player's over 100.

Original comment by era...@gmail.com on 27 May 2011 at 7:27

• Changed state: Fixed