4.21

Issue #222: update to CS 8.21
Issue #225: resolve IDEA violation
ci: Travis can not substitute variable in such format
ci: update travis.sh to use argument instead of TEST variable

4.20

Issue #213: update to CS 8.20
ci: setup new sonar validation
Issue #187: remove checkstyle-all project

4.19

Issue #208: update sonar-java to 5.12.0.17701 to ensure compatibility
Issue #206: introduce tabWidth to Checker
Issue #204: update checkstyle to 8.19
Issue #199: Refactor CheckstyleAuditListener.getLine()
Issue #199: Fix an auto-unboxing issue in CheckstyleAuditListener

4.18

Issue #188: update all dtd files to reference to most latest versions at checkstyle.org
#196 update to CheckStyle 8.18
#196 update urls as per checkstyle/checkstyle#6478
#191 - add SQ 7.6 compatibility
Issue #191: update Dockerfile to sonarqube 7.6

4.17

Issue #189: update to checkstyle 8.17
Issue #157: add support for SQ 6.7+
Issue #175: add circleci badge to README
Issue #175: wrap grep with test to pass pipefail of wercker
Issue #175: mvn package instead of go-offline

4.16

Issue #180: upgrade to checkstyle 8.16
Issue #179: extend timeout to 40 sec to let service start up before execution of validation
Issue #179: add force to rm command as on first executions logs folder is empty
Issue #179: disable validation execution in wercker

4.15

Issue #167: upgrade to checkstyle 8.15

4.14

Issue #164: update to checkstyle 8.14

4.13

Issue #163: update to use checkstyle 8.13

4.12

Issue #156: upgrade to checkstyle 8.12
Issue #157: update Dockerfile to fix build problem
Issue #160: fixed new teamcity violations