dupe for job.error

duplicated message for job.error, first one is right, keep it.
Fixing typo in userguide code example for extending Designer.
Merge pull request #56 from rce/master

Fixed a tiny typo in user guide
Merge pull request #55 from didxga/master

dupe message key
Fixed erroneous specification of the Designer's integration lib Maven
GAV. Also switched repository to the Nexus group.
Updated version example to reflect versioning in Nexus.
Job executor fix
Prepare for 5.12.1 release
build fixes
build fixes
Disabling job executor by default in rest app
Tweaks for table-driven editor
Merge branch 'master' of github.com:Activiti/Activiti
Removing createDemoProcessDefinition property from REST demo data generator
Added 'new' deployment-related REST-resources and tests
Added tests for legacy REST-calls related to "Deployment" resource
Added new deployment-resources REST
Added documentation + MediaTypeMapper + RestResponseFactory
Added process-definition GET and collection GET
Added general docs + return 401 (not 403) when authentication fails