Banning all @-style doxygen comments via analyze-source.pl.
Adding verbose output during write of external_arrays in PPQ.
Importing unchanged MCSTL source files from mcstl-0.8.0-beta.
Removing mcstl_ prefix from stxxl/parallel/ sources.
Also adding MCSTL's timing.h and compiletime_settings.h
Moving mcstl sources into stxxl::parallel namespace.
Uncrustify imported mcstl code.
Cleaning up mcstl/parallel_mode files and adding test_multiway_merge.
Removing sequential_tag() weirdness.
Adding a simple test_multiway_mergesort.
Removing log2 and other superfluous functions from parallel/base.h
Removing superfluous parallel features, tags and types.
Cleaning up multiseq_selection.h and fixing -Wconversion warnings.
Switching the order of parameters of merger in mcstl to end, length.
Enabling more losertree variants, removing features.h, everything enabled.