Merge pull request #189 from larsrh/topic/libisabelle-0.3

.gitmodules

ROOTS

build.sbt

project/plugins.sbt

src/main/isabelle/ROOT

src/main/scala/leon/solvers/isabelle/Component.scala

src/main/scala/leon/solvers/isabelle/Functions.scala

...ain/scala/leon/solvers/isabelle/IsabelleEnvironment.scala

src/main/scala/leon/solvers/isabelle/IsabelleSolver.scala

src/main/scala/leon/solvers/isabelle/Translator.scala

src/main/scala/leon/solvers/isabelle/Types.scala

src/main/scala/leon/solvers/isabelle/package.scala

src/sphinx/isabelle.rst

src/sphinx/options.rst

src/test/scala/leon/isabelle/IsabelleLibrarySuite.scala

src/test/scala/leon/isabelle/IsabelleVerificationSuite.scala

unmanaged/isabelle/protocol