s/client-/server-/ cert & key and added references link to the mysql wiki
link hints from michael renner added
DB2 >=v9r7 links to ssl docu
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/practical_settings/DBs.tex
mendel florian, poeschl ulrich, san berg and schreck thomas deleted. they are already mentioned as authors.
cleanup
Merge remote-tracking branch 'upstream/master'
straight quotes in code samples
more space between text and footnotes and other minor layout improvements
add a comment on sysadmins
Merge pull request #17 from berq/master

db2.tex & acknowledgements.tex cleanup
generalize gitignore
Fix fonts to use T1, which is the correct way nowadays
When using recent TeX, opensans is easier to insall
Avoid "zeroth" chapter. Use nameref to refer to the Acknowledgements
using inputenc is essential when using utf8 without xelatex
synctex files are actually noise for git
Simplify epigraph command usage
Identify document right at beginning
Replace lipsum by babel-aware blindtext and move to end