Merge pull request #26 from BoronNitride/bn

Typo, expanded intent, note on appicability
* two new images in introduction
* more images drawn, will be integrated later today
* iteratation-image
* collect remedies diagram
corrected quoting and bibliography for the boy scout rule
Merge branch 'gernots'
* included "Crosscutting" category
* collect-opportunities for improvement
finished introduce-boy-scout-rule
merged completed introduce-boy-scout-rule with currently published version
Merge pull request #27 from MichaelMahlberg/master

Complete pattern "Introduce Boy Scout Rule"
Fix #16: publish only if GH_TOKEN is present
* pattern index now numbered (70 entries so far, impressive!)
* cross-cutting now contains improvement-backlog + diagram
renamed "Never-Rewrite-Running-System",
https://github.com/aim42/aim42/issues/25
Facade pattern
* slight corrections to Boy Scout Rule (typos)
* renamed to "Boy Scout Rule" (dropped the "introduct")
* renamed file...
* corrected links/anchor
Merge branch 'master' into bn
Reference name, heading levels