Update travis-utils to v48

Apply rule-api 1.17.0.1017 (SonarSource#147)

Update of parent POM to 44

Fix sonarlint: activate default rules

SONARPY-205 SelfAssignmentCheck: fix FP on builtin function

SONARPY-186 Rule: Cognitive Complexity of functions should not be too…

… high (SonarSource#74)

* SONARPY-186 Rule: Cognitive Complexity of functions should not be too high

* Remove FunctionComplexity rule from default profile

* Update licenses

* SONARPY-186 Fix wrong behaviour

* Add unit test for 'except' with multiple exceptions

* Add unit test with not complex function

SONARPY-186 Rule: Cognitive Complexity of functions should not be too…

… high (SonarSource#74)

* SONARPY-186 Rule: Cognitive Complexity of functions should not be too high

* Remove FunctionComplexity rule from default profile

* Update licenses

* SONARPY-186 Fix wrong behaviour

* Add unit test for 'except' with multiple exceptions

* Add unit test with not complex function

release 1.6

Fix some quality flaws

[maven-release-plugin] copy for tag 1.5