BCRSMatrix::ConstIterator introduced.

[[Imported from SVN: r316]]

[[Imported from SVN: r315]]

[[Imported from SVN: r314]]

[[Imported from SVN: r313]]

[[Imported from SVN: r312]]

[[Imported from SVN: r311]]

[[Imported from SVN: r310]]

[[Imported from SVN: r309]]

[[Imported from SVN: r308]]

[[Imported from SVN: r307]]

[[Imported from SVN: r306]]

[[Imported from SVN: r305]]

[[Imported from SVN: r304]]

[[Imported from SVN: r303]]

[[Imported from SVN: r302]]

[[Imported from SVN: r301]]

[[Imported from SVN: r300]]

[[Imported from SVN: r299]]

The assertion was only right for the sequential case!

[[Imported from SVN: r298]]

[[Imported from SVN: r297]]

[[Imported from SVN: r296]]

lamboot if necessary.

[[Imported from SVN: r295]]

Works in sequential mode.

[[Imported from SVN: r294]]

* Test program
* experiments for Expression Templates for Matrizes

[[Imported from SVN: r293]]

All should run through now!

[[Imported from SVN: r292]]

Instead of specifying all of them for all class using IndexSet, those
class now have the index set type as a template parameters.

[[Imported from SVN: r291]]

[[Imported from SVN: r290]]

[[Imported from SVN: r289]]

[[Imported from SVN: r288]]

[[Imported from SVN: r287]]

[[Imported from SVN: r286]]

[[Imported from SVN: r285]]

vanished from this script...

[[Imported from SVN: r284]]

[[Imported from SVN: r283]]

arrays and allocator. This should eventually be set to std::size_t to
address the entries of the allocated entries.

Currently dd crashes if size_type is size_t. Therefore it is still int
right now.

[[Imported from SVN: r282]]

[[Imported from SVN: r281]]

[[Imported from SVN: r280]]

[[Imported from SVN: r279]]

The autobuild should succeed now!

[[Imported from SVN: r278]]

[[Imported from SVN: r277]]