Merge pull request #5 from aim42/master

Merge pull request #70 from rschimmack/master
Unified names of pattern for improvement.

- The pattern names are now written without a hyphen.
- Renamed facade.adoc to
manage-complex-client-dependencies-with-facade.adoc.
- Renamed pattern "Manage complex client dependencies with a Facade" to
"Manage Complex Client Dependencies With Facade".
- Fixed some links.
Merge pull request #71 from rschimmack/master

Unified names of pattern for Improvement.
included instrument system
Merge branch 'gernots' into instrumentation_and_invariants