Merge pull request #6 from wolfs/passwordFix

Set username/password for MavenCentral conditionally
wrote reproducer for unrooted tests in Eclipse (this is very strange)
wrote reproducer for unrooted tests in Eclipse (this is very strange)
Added motivation and distinction as well as toc
enhanced formatting
fix some typos

Signed-off-by: Andreas Schmid <andreas.schmid@gmx.de>
improvements for README.md
Theories fail or succeed entirely
simplified reproducer for unrooted tests
Merge branch 'master' of https://github.com/TNG/junit-dataprovider
added eclipse template