Fix quality flaw: Move invariant to the correct place.

SONARJAVA-1604 Do not take static final field into account (SonarSour…

…ce#1166)

SONARJAVA-1604 Do not take static final field into account (SonarSour…

…ce#1166)

SONARJAVA-1604 Do not take static final field into account (SonarSour…

…ce#1166)

Fix quality flaw: increase check coverage

SONARJAVA-1991 Fix NPE in S1604 with anonymous classes within lambda (S…

…onarSource#1130)

SONARJAVA-1988 Handle properly unset constraint on wrapped sv

Fix quality flaw: complete coverage of MethodYield equals method

Switch back to 4.2.1-SNAPSHOT

SONARJAVA-1873 Find method when using method references as initialize…

…r of variable (SonarSource#1029)

* SONARJAVA-1873 Find method when using method references as initializer of variable

* Refactor in order to keep responsability separated between resolve and typeAndRefSolver

* Complete unit test to validate correct references