Fixes for ubuntu. Add linking of libgsl and libgslcblas before ROOT libraries (e.g. libMathore)
TProofPlayerLite: set default packetizer TPacketizer
TProofLite:: fix memory leak

Fix memory leak in saved query results.
Set the default number of query results kept in memory to 1.
Use proper C++ now that named macros require it.
Fix code.
Avoid clashes re-creating hsimple.root by using py-hsimple.root for the python tutorials