(credits Stefen Müthing)

[[Imported from SVN: r6351]]

- fix typo in rvalue reference test
(credits Steffen Müthing)

[[Imported from SVN: r6350]]

Use parametertree.hh to keep hierarchical string-based data, 
and parametertreeparser.hh to read such data from files and streams.

[[Imported from SVN: r6347]]

This code used to be in ConfigParser, which I will deprecate in a second.
The new implementation is inspired by boost: each parser is a global method
in a namespace.  In our case, that namespace is a class ParameterTreeParser,
because it needs to have some private methods (ltrim and rtrim, to be
precise).  On demand, parsers for more formats can be added to this class/file.

I do not insist on any of the details of this new code. However, I wanted
to have the many architectural change before the creation of the 2.2 release
branch.

[[Imported from SVN: r6346]]

[[Imported from SVN: r6345]]

corresponding flags in Makefile.am manually. Fix of FS#876.


[[Imported from SVN: r6344]]

[[Imported from SVN: r6343]]

[[Imported from SVN: r6342]]

[[Imported from SVN: r6341]]

[[Imported from SVN: r6340]]

[[Imported from SVN: r6339]]

[[Imported from SVN: r6338]]

[[Imported from SVN: r6337]]

[[Imported from SVN: r6336]]

inclusion protection, but must redefine the macros whenever the header
is included

[[Imported from SVN: r6335]]

[[Imported from SVN: r6334]]

[[Imported from SVN: r6333]]

- always emit the fill exception

[[Imported from SVN: r6332]]

- if NDEBUG is not set, CHECK_INTERFACE_IMPLEMENTATION is active
- add proper double-inclusion-protection

[[Imported from SVN: r6331]]

[[Imported from SVN: r6330]]

[[Imported from SVN: r6329]]

This is especially useful when an array is needed to initialize a class
member.

This uses a statement like

  array<T, 2> result = { t0, t1 };

to initialize the array.  This is correct and explicitly allowed by the
upcoming standard.  Unfortunately g++ warns about this with -Wmissing-braces
(which is implied by -Wall) because this relies on brace elision.  The report
<http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25137> has been filed more than
five years ago, but so far not much has happened.

[[Imported from SVN: r6328]]

[[Imported from SVN: r6327]]

(credits go to Steffen Müthing)

[[Imported from SVN: r6326]]

Kudos for this patch to Ansgar Burchardt <ansgar@mathi.uni-heidelberg.de>

[[Imported from SVN: r6325]]

FieldVector< complex<T> > = FieldVector<T>

[[Imported from SVN: r6324]]

[[Imported from SVN: r6323]]

This fixes FS 864.

[[Imported from SVN: r6322]]

copied.

[[Imported from SVN: r6321]]

[[Imported from SVN: r6320]]

replacement implementation.

[[Imported from SVN: r6319]]

[[Imported from SVN: r6318]]

the tested tuple is from Dune, std, or std::tr1.

[[Imported from SVN: r6317]]

[[Imported from SVN: r6316]]

For a tuple of references get() should still return a non-const reference,
even if the tuple itself is const:

  int n = 0;
  const tuple<int&> t(n);
  get<0>(t) = 1;  // post: n == 1

Without this property, tie() would be largely meaningless.

[[Imported from SVN: r6315]]

assignable.

[[Imported from SVN: r6314]]

-DNDEBUG.

[[Imported from SVN: r6313]]

[[Imported from SVN: r6312]]

[[Imported from SVN: r6311]]

[[Imported from SVN: r6310]]