[mojosetup] Expose the runScript interface to allow non LUA scripts to be run

[Jeremy White]

This allows us to run pre/post install scripts that are inside the
installer bundle, but which are not in LUA.

Cheers,

Jeremy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: runscript.diff
Type: text/x-patch
Size: 4099 bytes
Desc: not available
URL: <http://icculus.org/pipermail/mojosetup/attachments/20100609/af9f31f6/attachment.bin>