test/: Add a couple of tests for recurrent items

This adds tests for following features/scenarios:

* Recurrent appointments and events of all (repetition) types.
* Recurrent appointments with a duration of more than 24 hours.
* Overlapping recurrent appointments.
* Recurrent items and leap years.
* Recurrent items with an end date.
* Recurrent items with exceptions.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

test/Makefile.am

@@ -16,7 +16,12 @@ TESTS = \
 	appointment-001.sh \
 	next-001.sh \
 	search-001.sh \
-	bug-002.sh
+	bug-002.sh \
+	recur-001.sh \
+	recur-002.sh \
+	recur-003.sh \
+	recur-004.sh \
+	recur-005.sh
 
 TESTS_ENVIRONMENT = \
 	CALCURSE='$(top_builddir)/src/calcurse' \