feat(rest) added name to activity instance dto
feat(engine/rest) Added activity name to activity instance interface
fix(camunda-welcome): add blank target to getting started and invoice link.

Closes: #CAM-1076
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
Merge pull request #23 from 1and1/pull_act_inst_chg

Added activity name to Activity Instance Interface, adjusting engine and engine-rest projects accordingly
feat(authorization): default enable authorization

- enable authorization by default in distributions.

related to #CAM-1023
chore(jboss): enable authorization in QA

related to #CAM-1023
feat(engine): Add setJobDuedate to ManagementService class and rest api
- add testcases

related to CAM-1069
chore(engine): remove business key db unique index/constraint

related to CAM-849
fix(engine): Fix ManagementServiceTest.setJobDuedate mysql error

related to CAM-1069