[#5] modify Elements#getAllAnnotationMirrors can not be used

in method extractAnnotations, one could use Elements#getAllAnnotationMirrors instead of Elements#getAnnotationMirrors, which is a wrong answer but was not visible with the provided sample Class

niveau_2/exo1/src/main/java/fr/devoxx/niveau2/exo1/etape2/AnnotatedClass.java

@@ -9,5 +9,5 @@
  */
 @Flag
 @Meta("La robe est blanc et or, moi je te dis !")
-public final class AnnotatedClass {
+public final class AnnotatedClass extends AnnotatedSuperClass {
 }

niveau_2/exo1/src/main/java/fr/devoxx/niveau2/exo1/etape2/AnnotatedSuperClass.java

@@ -0,0 +1,10 @@
+package fr.devoxx.niveau2.exo1.etape2;
+
+/**
+ * AnnotatedSuperClass -
+ *
+ * @author Sébastien Lesaint
+ */
+@InheritedMeta
+public class AnnotatedSuperClass {
+}

niveau_2/exo1/src/main/java/fr/devoxx/niveau2/exo1/etape2/InheritedMeta.java

@@ -0,0 +1,12 @@
+package fr.devoxx.niveau2.exo1.etape2;
+
+import java.lang.annotation.Inherited;
+
+/**
+ * InheritedMeta -
+ *
+ * @author Sébastien Lesaint
+ */
+@Inherited
+public @interface InheritedMeta {
+}