AIDA-35 - LexicalPattern builder.
Merge branch 'aida-35_macroExpansion' into aida-31_commandlineTool
aida-35 - LexialPattern is a separate class;
- Remove unused nested class XmlParser.
- aida-37 add patterns for 'chemokuur'.
aida-31 - read expected classification from csv-files.
AIDA-31 - PatisReader and Patients provide searcher interface to their collection of patients.
- DummySearchResult classes provide expected results.
aida-31 - Correct title of results;
- remove unused imports.
AIDA-31 - New Searcher that forwards queries to a chain of Searchers combining their results.