[folks] Change IndividualAggregator.get_[all_]potential_matches() to return a Map

[Philip Withnall <pwithnall src gnome org>]

commit 290c04b913002f5630b3ce3a72620f5b9964cae8
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Wed Apr 20 01:02:54 2011 +0100

    Change IndividualAggregator.get_[all_]potential_matches() to return a Map
    
    We don't want to expose the fact that we're using a *hash* map internally.
    
    Helps: bgo#640092

 NEWS                             |    4 ++++
 folks/individual-aggregator.vala |    8 ++++----
 2 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/NEWS b/NEWS
index 64d7212..9fa9354 100644
--- a/NEWS
+++ b/NEWS
@@ -35,6 +35,10 @@ API changes:
 * IndividualAggregator.individuals_changed now uses
   Set<Individual>-typed parameters
 * IndividualAggregator.link_personas() now takes a Set<Persona>
+* IndividualAggregator.get_all_potential_matches() now returns a
+  Map<Individual, Map<Individual, MatchResult>>
+* IndividualAggregator.get_potential_matches() now returns a
+  Map<Individual, MatchResult>
 
 Overview of changes from libfolks 0.4.0 to libfolks 0.5.0
 =========================================================
diff --git a/folks/individual-aggregator.vala b/folks/individual-aggregator.vala
index 97819cc..831a7a1 100644
--- a/folks/individual-aggregator.vala
+++ b/folks/individual-aggregator.vala
@@ -230,9 +230,9 @@ public class Folks.IndividualAggregator : Object
   /**
    * Get all matches for a given { link Individual}.
    *
-   * @since 0.5.0
+   * @since UNRELEASED
    */
-  public HashMap<Individual, MatchResult> get_potential_matches
+  public Map<Individual, MatchResult> get_potential_matches
       (Individual matchee, MatchResult min_threshold = MatchResult.VERY_HIGH)
     {
       HashMap<Individual, MatchResult> matches =
@@ -257,9 +257,9 @@ public class Folks.IndividualAggregator : Object
   /**
    * Get all combinations between all { link Individual}s.
    *
-   * @since 0.5.0
+   * @since UNRELEASED
    */
-  public HashMap<Individual, HashMap<Individual, MatchResult>>
+  public Map<Individual, Map<Individual, MatchResult>>
       get_all_potential_matches
         (MatchResult min_threshold = MatchResult.VERY_HIGH)
     {