Merge remote-tracking branch 'origin/develop' into testgen

PERMISSIONS

run-tests.sh

src/main/scala/leon/Analysis.scala

src/main/scala/leon/ArrayTransformation.scala

src/main/scala/leon/DefaultTactic.scala

src/main/scala/leon/Evaluator.scala

src/main/scala/leon/Extensions.scala

src/main/scala/leon/FairZ3Solver.scala

src/main/scala/leon/FunctionClosure.scala

src/main/scala/leon/ImperativeCodeElimination.scala

src/main/scala/leon/Main.scala

src/main/scala/leon/PassManager.scala

src/main/scala/leon/Simplificator.scala

src/main/scala/leon/TypeChecking.scala

src/main/scala/leon/VerificationCondition.scala

src/main/scala/leon/plugin/CodeExtraction.scala

src/main/scala/leon/plugin/Extractors.scala

src/main/scala/leon/purescala/Definitions.scala

src/main/scala/leon/purescala/PrettyPrinter.scala

src/main/scala/leon/purescala/Trees.scala