Eo files: Adjust according to latest eolian changes.

src/lib/ecore/ecore_exe.eo

@@ -5,10 +5,10 @@ class Ecore.Exe (Eo.Base, Efl.Control)
         command @constructor {
              /*@ Control the command that's executed. FIXME: May need a split/rename. */
              set {
-                  legacy null;
+                  legacy: null;
              }
              get {
-                  legacy null;
+                  legacy: null;
              }
              values {
                   const(char) *exe_cmd; /*@ The command to execute. */

src/lib/ecore/ecore_mainloop.eo

@@ -17,7 +17,7 @@ class Ecore_Mainloop (Eo.Base)
       iterate {
       }
       iterate_may_block {
-         return int;
+         return: int;
          params {
             int may_block;
          }
@@ -28,7 +28,7 @@ class Ecore_Mainloop (Eo.Base)
       }
       animator_ticked {
          /* FIXME: Should it be a prooperty? */
-         return Eina_Bool;
+         return: Eina_Bool;
       }
    }
    events {

src/lib/efl/interfaces/efl_file.eo

@@ -29,7 +29,7 @@ interface Efl.File {
             }
             @endcode */
 
-            return bool;
+            return: bool;
          }
          get {
             /*@
@@ -62,7 +62,7 @@ interface Efl.File {
          acceptable flags are @c quality and @c compress. Eg.: @c
          "quality=100 compress=9" */
 
-         return bool;
+         return: bool;
          params {
             @in const(char)* file @nonull; /*@ The filename to be used to save the image (extension
             obligatory). */

src/lib/emotion/emotion_object.eo

@@ -16,7 +16,7 @@ class Emotion.Object (Evas.Object_Smart, Efl.File, Efl.Player, Efl.Image) {
                    *
                    * @ingroup Emotion_Init
                    */
-                  legacy emotion_object_module_option_set;
+                  legacy: emotion_object_module_option_set;
              }
              values {
                   const(char) *opt; /*@ The option that is being set. Currently supported optiosn: "video" and "audio". */
@@ -44,8 +44,8 @@ class Emotion.Object (Evas.Object_Smart, Efl.File, Efl.Player, Efl.Image) {
                    *
                    * @ingroup Emotion_Init
                    */
-                  legacy emotion_object_init;
-                  return bool; /*@ @c EINA_TRUE if the specified module was successfully initialized for this object, @c EINA_FALSE otherwise. */
+                  legacy: emotion_object_init;
+                  return: bool; /*@ @c EINA_TRUE if the specified module was successfully initialized for this object, @c EINA_FALSE otherwise. */
              }
              values {
                   const(char) *module_filename; /*@ The name of the module to be used (gstreamer or xine). */