Merge pull request #855 from clebertsuconic/hq1135-master

reverting accidental change
spelling fix: lineUpContex -> lineUpContext
document 'trick' non-local causes of unusual measures
Merge pull request #858 from FranciscoBorges/documentation

Document unusual code, fix spelling in method's name
HORNETQ-1134 Spec group confirmed the motivation for these changes as a typo.
http://java.net/jira/browse/JMS_SPEC-114
Merge pull request #859 from FranciscoBorges/smallFixes

HORNETQ-1134 Spec group confirmed the motivation for these changes as a ...