[cleanup] Move methods hasPrefix, hasSuffix into a separate file stringutility.hh
[cleanup] Move class Factorial from misc.hh to math.hh
[cleanup] mark method SQR as deprecated
[cleanup] Move complex conjugation et al to math.hh
Deprecate the header misc.hh
[cleanup] Don't include misc.hh, it is not used
[cleanup] Include stringutility.hh instead of misc.hh
[bugfix] add missing headers
Merge branch 'master' of http://git.dune-project.org/repositories/dune-common