UMVE: make example plugin compatible with Qt5
Merge pull request #87 from Waldteufel/qt5-plugins

UMVE: make example plugin compatible with Qt5
MESHCONVERT: fix typo with util::ArgResult usage

next_result can return a NULL option, next_option would be correct
Merge pull request #88 from Waldteufel/meshconvert-args

MESHCONVERT: fix typo with util::ArgResult usage
DMRECON: use math::algo::round
Merge pull request #90 from Waldteufel/algo-round

DMRECON: use math::algo::round
UMVE: use get_home_dir instead of getenv
Merge pull request #89 from Waldteufel/umve-homedir

UMVE: use get_home_dir instead of getenv
UTIL: Disallow copy of AlignedMemory
UTIL: reorganize path utils
Merge pull request #92 from Waldteufel/util-fs

UTIL: reorganize path utils
MVE/UTIL: add stdint_compat.h header
MVE: use pointers for unsafe arithmetic

Iterator arithmetic beyond vector.end() is undefined.
MVE: don't index empty vector
UTIL: don't specialize template for char on WIN32
UTIL: include <algorithm> where necessary
UTIL: use correct form of size_t literals
UTIL: don't try to print stacktrace on WIN32
TESTS: only test enabled image formats
UTIL: implement directory walking for WIN32