Kenshin's Hide And Seek

The rewrite of the plugin and testing has been complete! Please refer to the plugin description for how this pertains to you.

Changes since 2.0.0-alpha3:

• only allow glow on 1.9+
• fix item conversion on older versions
• properly remove armor on older versions
• fix end game delay always ending without delay
• allow last hider to be retaunted
• fix border immediately shrinking