Fix test pattern file to match XSD schema
Migrate tests to CppUnit
Migrate tests to CppUnit (main.cpp)
Add tests for H2Core::ADSR
Fix failing tests for H2Core::ADSR
fix namespace in drumkit_pattern.xsd
Move test initialization code from xml_test.cpp to main.cpp
Support for CppUnit in CMakeLists.txt
Merge branch 'cppunit' of https://github.com/elpescado/hydrogen into cppunit