Merge branch 'develop'

.gitignore

.travis.yml

build.gradle

gradle/wrapper/gradle-wrapper.jar

gradle/wrapper/gradle-wrapper.properties

gradlew

gradlew.bat

src/main/java/de/tlc4b/TLC4B.java

src/test/java/de/tlc4b/coverage/CoverageTest.java

...tlc4b/tlc/integration/probprivate/AssertionErrorTest.java

...va/de/tlc4b/tlc/integration/probprivate/DeadlockTest.java

...t/java/de/tlc4b/tlc/integration/probprivate/GoalTest.java

...b/tlc/integration/probprivate/InvariantViolationTest.java

...t/java/de/tlc4b/tlc/integration/probprivate/LawsTest.java

...ava/de/tlc4b/tlc/integration/probprivate/NoErrorTest.java

...lc4b/tlc/integration/probprivate/WellDefinednessTest.java