Quantities Svn

documentation updates, included the use of "testresult" subdirectories, cleaned-up test hierarchy

added notebook support to documentation

added missing binary serialization test program (PhysicalQuantities)

re-installation on echem3: adapt for
Boost system library and lib64

Empty quantities

support serialization through base class pointer; updating general quantities (not yet finished)

expanded serialization possibilities and tests

update documentation about test programs

updated documentation

updated QuantitySerializationTest test program (scope of archives must be inside the lifetime of the associated streams)