Fixed bugs which were related to synthetic elements in the TicksAnalyzer phase and the TreeBuilder phase, also implementing suppressed WtRtData support

* parser-toolkit 6904dcf...90f2c2c (1):

    commit 90f2c2cdebfd199f648a215d39be0e144d020f0a

        RtData now has a "suppressed" variant.

* sweble-wikitext dea90df...13cff18 (3):

    commit 13cff188a505cf75a34571f3db2ade14a5c0413b

        Additional information printed to AST by WtIm*Tag.java

    commit 8abf0a638734ccb9fe4f845cf8f00afe034b2677

        Fixed bugs which were related to synthetic elements in the TicksAnalyzer phase and the TreeBuilder phase, also implementing suppressed WtRtData support

    commit d8d69d40968bf71ec680228326ebcd4c7cf04c8d

        Made DumpReader "closeable"