Removed the middletier

CMakeLists.txt

middletier/CMakeLists.txt

middletier/SQLite/SqliteColumnNameToIndex.cpp

middletier/SQLite/SqliteColumnNameToIndex.hpp

middletier/SQLite/SqliteDatabase.cpp

middletier/SQLite/SqliteDatabase.hpp

middletier/SQLite/SqliteMiddleTierAdmin.cpp

middletier/SQLite/SqliteMiddleTierAdmin.hpp

middletier/SQLite/SqliteMiddleTierTest.cpp

middletier/SQLite/SqliteMiddleTierUser.cpp

middletier/SQLite/SqliteMiddleTierUser.hpp

middletier/objectstore/OStoreMiddleTierAdmin.cpp

middletier/objectstore/OStoreMiddleTierAdmin.hpp

middletier/objectstore/OStoreMiddleTierTest.cpp

middletier/objectstore/OStoreMiddleTierUser.cpp

middletier/objectstore/OStoreMiddleTierUser.hpp

middletier/sharedtest/MiddleTierAbstractTest.hpp

middletier/sharedtest/MiddleTierAdminAbstractTest.cpp

middletier/sharedtest/MiddleTierUserAbstractTest.cpp

scheduler/CMakeLists.txt