export module name to make --current work properly again

[[Imported from SVN: r6839]]

bug fix in m4create:
- the current module is stored in $mainmod, not $module

[[Imported from SVN: r6838]]

remove obsolete assignment

[[Imported from SVN: r6837]]

avoid parsing suggestions twice

[[Imported from SVN: r6836]]

remove unused code

[[Imported from SVN: r6835]]

fix DEPS and SUGS check invocation

[[Imported from SVN: r6834]]

for some straneg reason the variable module can not be local...

[[Imported from SVN: r6833]]

[[Imported from SVN: r6832]]

- factor out check and version check of dependencies
- reuse for suggestions
- make versioned suggestions work

[[Imported from SVN: r6831]]

use bash string substitution instead of sed

[[Imported from SVN: r6830]]

alternative implementation for fix_variable_name,
avoiding invocation of tr

[[Imported from SVN: r6829]]

avoid ${var} expression, $var is slightly faster

[[Imported from SVN: r6828]]

fix whitespace match for awk

[[Imported from SVN: r6827]]

fix tracking of already parsed modules
... results in a significantly speedup

[[Imported from SVN: r6826]]

bug fix and further cleanup in dunemodules.lib

[[Imported from SVN: r6825]]

- fix check_module_name
- make it faster by using a pure bash-pattern-matching

[[Imported from SVN: r6824]]

* smaller cleanups
* remove unsused methods

[[Imported from SVN: r6823]]

duneproject. See FS#1029 for more details.

[[Imported from SVN: r6821]]

This fixes FS 1147.  Thanks to Elias Pipping for the patch.

[[Imported from SVN: r6819]]

fix typo in ax_boost_base (thanks to Bård Skaflestad for the patch)

[[Imported from SVN: r6818]]

Patch contributed by Matthias Wohlmuth

[[Imported from SVN: r6816]]

details.

[[Imported from SVN: r6812]]

[[Imported from SVN: r6811]]

[[Imported from SVN: r6809]]

assignment.

[[Imported from SVN: r6802]]

[[Imported from SVN: r6801]]

only warn about disabled duneweb if the user tried to use duneweb

[[Imported from SVN: r6800]]

disable dune-web if wml or doxygen is missing
give a warning when diabling dune-web

[[Imported from SVN: r6799]]

[[Imported from SVN: r6798]]

dune-geometry.

[[Imported from SVN: r6796]]

[[Imported from SVN: r6795]]

mpitraits.hh forward declares std::pair, which is illegal by the standard, and clang stumbles over that.
Fixes FS#1121.
(Thanks to Steffen Müting for the patch)

[[Imported from SVN: r6791]]

[[Imported from SVN: r6788]]

With the exception of mpicollectivecommunication.hh
and propertymap.hh, which I didn't understand.

[[Imported from SVN: r6784]]

[[Imported from SVN: r6774]]

[[Imported from SVN: r6772]]

In particular, the search gets faster _because of_ the use of ls,
not _despite_ of it.

[[Imported from SVN: r6769]]

Add DUNE_DEPRECATED_MSG() to the predefined macros for Doxygen, otherwise it gets confused and messes up with \copydoc. 

[[Imported from SVN: r6767]]

[[Imported from SVN: r6762]]

avoid unused variable warnings/error in nullptr test
patch by Matthias Wohlmuth

[[Imported from SVN: r6760]]