Enable automatic crlf replacement

See http://adaptivepatchwork.com/2012/03/01/mind-the-end-of-your-line/
and https://help.github.com/articles/dealing-with-line-endings for
further reference.
Ignore author warnings

The other ones are latexsuite defaults and were copied from its
documentation. Since g:Tex_IgnoredWarnings is not available at
launchtime, I had to copy the other entries.
Keep focus on editing split

By default, the quickfix receives the focus. Typically, I do not jump to
the error position. This saves me one split movement.