minor, support BYEASTER in rrul_fill_yly()

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
test, provide regression test file for BYEASTER feature

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'core/evical'

* core/evical:
  test, provide regression test file for BYEASTER feature
  minor, support BYEASTER in rrul_fill_yly()
chore, kick easter.c code as it got integrated into evrrul.c

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'bld/dist'

* bld/dist:
  chore, kick easter.c code as it got integrated into evrrul.c
fix, PEBKAC, only massage final array in read_ical() if events have been found

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'core/evical'

* core/evical:
  fix, PEBKAC, only massage final array in read_ical() if events have been found