chore, check for actual mex extension in SXE_CHECK_MATLAB

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
cosmetics, kick OCT_LDFLAGS seeing as they're unused

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, perform renaming of tzconv.mex to actual mex-extension in install-data-hook

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, when there's an install hook there should be an uninstall hook

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'contrib/matlab'

* contrib/matlab:
  chore, when there's an install hook there should be an uninstall hook
  minor, perform renaming of tzconv.mex to actual mex-extension in install-data-hook
  cosmetics, kick OCT_LDFLAGS seeing as they're unused
  chore, check for actual mex extension in SXE_CHECK_MATLAB
minor, aid nanosecond entry by parsing nano numbers left-to-right

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
test, provide regressions for aided nanosecond left-to-right entry

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/nanoseconds'

* feat/nanoseconds:
  test, provide regressions for aided nanosecond left-to-right entry
  minor, aid nanosecond entry by parsing nano numbers left-to-right