Move the easing modes test into the examples

It's a pretty simple, self-contained example of how to use different
easing modes, as well as the implicit animations API.

examples/Makefile.am

@@ -7,6 +7,7 @@ all_examples = \
 	constraints \
 	drag-action \
 	drop-action \
+	easing-modes \
 	flow-layout \
 	threads
 

examples/easing-modes.c

@@ -1,5 +1,4 @@
 #include <stdlib.h>
-#include <gmodule.h>
 #include <clutter/clutter.h>
 
 /* all the easing modes provided by Clutter */
@@ -180,8 +179,8 @@ static GOptionEntry test_easing_entries[] = {
   { NULL }
 };
 
-G_MODULE_EXPORT int
+int
-test_transitions_main (int argc, char *argv[])
+main (int argc, char *argv[])
 {
   ClutterActor *stage, *rect, *label;
   gchar *text;
@@ -233,9 +232,3 @@ test_transitions_main (int argc, char *argv[])
 
   return EXIT_SUCCESS;
 }
-
-G_MODULE_EXPORT const char *
-test_transitions_describe (void)
-{
-  return "Visualize all easing modes provided by Clutter";
-}

tests/interactive/Makefile.am

@@ -47,7 +47,6 @@ UNIT_TESTS = \
 	test-path-constraint.c \
 	test-state-script.c \
 	test-devices.c \
-	test-transitions.c \
 	test-content.c \
 	test-keyframe-transition.c \
 	test-scroll-actor.c