chore, follow automake advice and provide subdir-objects option

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

* bld/dist:
  chore, follow automake advice and provide subdir-objects option
test, provide a dummy .tzmap and add some regressions

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

* test/tzmaps:
  test, provide a dummy .tzmap and add some regressions
chore, don't refer to tzconv sources in lib/ via variable, use relative paths instead

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

* bld/dist:
  chore, don't refer to tzconv sources in lib/ via variable, use relative paths instead
minor, provide mic.tzminfo

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, also compile and install mic tzmap

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

* core/tzmaps:
  chore, also compile and install mic tzmap
  minor, provide mic.tzminfo