update outdated helptext

Pack0 -> Razor
Preliminary extra economy panel warnings
Small fix for latest engine for text alpha
Informative comment added
Merge pull request #220 from dvr333/more_econ_panel_warnings

Basic extra economy panel warnings
Merge pull request #219 from sprunk/patch-2

update outdated helptext
Proconsole2: Always decay chat over 4 seconds.
Merge pull request #221 from wagonrepairer/master

Proconsole2: Always decay chat over 4 seconds.
Safety for negative width or height in gl.Scissor used by chili.
Merge branch 'master' of https://github.com/ZeroK-RTS/Zero-K