Refactoring and cleanup in utils, parser-toolkit and sweble-wikitext

* parser-toolkit d3974ac...4328622 (3):

    commit 43286221f6dfe3fb6380b3ac370f47b9f9b041f2

        Moved SimpleTypeNameMapper and related classes to utils

    commit 20a797d32a1eba2a62c00a5957d127db1de47f5a

        Moved test support classes to utils

    commit 6e67d50bd73144c85f6a036d2bca1001d9ee9623

        Added getConfig() to abstract class ParserCommon

* sweble-wikitext 8bff540...63e5eee (4):

    commit 63e5eeea31a7f55484c1d669a8d2c19c249eae6c

        Adapted to changes in classes TestResourcesFixture and FileUtils

    commit 4cfb1630225d53419084116c70bb1f05d05f678e

        Cleanup in EngineAstNodeConverter

    commit aee11762ef6e0fc7835df68bd79756df97d34de7

        Refactored test case implementation and pulled out some code into WtEngineToolbox

    commit 3554b5b3e9d99783b0e986db3c8a426f35e05f82

        Implemented new getConfig() method in classes inheriting from ParserCommon

* utils f21d4eb...772fbaf (2):

    commit 772fbafe97ad8acc5864662ca752cfc82a77d275

        Moved SimpleTypeNameMapper and related classes from ptk-common to utils

    commit 2e246bbc252e417f9416f204c655c0bd7fa29806

        Moved test support classes from ptk-common to utils