Replace non-standard lua extentions with .lua

[v1993]

I have this list for now:

<?xml version="1.0"?>
 <mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="text/x-lua">
    <comment>Lua script</comment>
    <glob pattern="*.adef"/>
    <glob pattern="*.ldef"/>
    <glob pattern="*.bdef"/>
    <glob pattern="*.edef"/>
    <glob pattern="*.idef"/>
    <glob pattern="*.mdef"/>
    <glob pattern="*.pdef"/>
    <glob pattern="*.sdef"/>
    <glob pattern="*.tdef"/>
    <glob pattern="*.themedef"/>
    <glob pattern="*.inc"/>
  </mime-type>
 </mime-info>

[v1993]

In progress now.