one more daft code example now in revision control
try to fix incorrect output redirection

…in recipe to view target.
All output from the document viewer should go to /dev/null.
fixed misspelling of OMake
update table of build systems
present build systems in a more reasonable order
draft of a slide about further Makefile directives

Wrote a little bit about further makefile directives, but left that
commented out.
updated OMake description
updated table of build systems again
updated description of the Autotools
updated description of CMake
added a lot of \pause macros
footnote now appears in the correct moment
tried to write a better description of GNU Make
change paper to document class "report"
add multipart bibliography to paper
ignore gitrev.tex in .gitignore for paper
Makefile for Paper now has proper TCFLAGS
brushed up titlepage
wrote about the motivation for use of a build system
make hyperref look a little bit more beautiful