[longomatch] Fix a bit more the API to raise exceptions on failures

[Andoni Morales Alastruey <amorales src gnome org>]

commit 9b1e53cd1c2c55edeedbf52d029d7890526ea001
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Oct 6 18:01:17 2014 +0200

    Fix a bit more the API to raise exceptions on failures

 LongoMatch.Core/Interfaces/IDatabase.cs |    2 +-
 LongoMatch.GUI/gtk-gui/gui.stetic       |    1 -
 LongoMatch.Services/Services/FileDB.cs  |   36 +++++++++++-------------------
 3 files changed, 14 insertions(+), 25 deletions(-)
---
diff --git a/LongoMatch.Core/Interfaces/IDatabase.cs b/LongoMatch.Core/Interfaces/IDatabase.cs
index 740349a..1569e3c 100644
--- a/LongoMatch.Core/Interfaces/IDatabase.cs
+++ b/LongoMatch.Core/Interfaces/IDatabase.cs
@@ -31,7 +31,7 @@ namespace LongoMatch.Core.Interfaces
                
                bool RemoveProject(Guid id);
                
-               bool UpdateProject(Project project);
+               void UpdateProject(Project project);
                
                bool Exists(Project project);
                
diff --git a/LongoMatch.GUI/gtk-gui/gui.stetic b/LongoMatch.GUI/gtk-gui/gui.stetic
index d1ceb1b..ca6b2ed 100644
--- a/LongoMatch.GUI/gtk-gui/gui.stetic
+++ b/LongoMatch.GUI/gtk-gui/gui.stetic
@@ -5850,7 +5850,6 @@ You can continue with the current capture, cancel it or save your project.
                 <property name="MemberName" />
                 <property name="CanFocus">True</property>
                 <property name="Label" translatable="yes">Histogram</property>
-                <property name="Active">True</property>
                 <property name="DrawIndicator">True</property>
                 <property name="HasLabel">True</property>
                 <property name="UseUnderline">True</property>
diff --git a/LongoMatch.Services/Services/FileDB.cs b/LongoMatch.Services/Services/FileDB.cs
index 9e66539..7284096 100644
--- a/LongoMatch.Services/Services/FileDB.cs
+++ b/LongoMatch.Services/Services/FileDB.cs
@@ -143,7 +143,6 @@ namespace LongoMatch.DB
 
                public Project GetProject (Guid id)
                {
-                       Project ret;
                        string projectFile = Path.Combine (dbDirPath, id.ToString ());
 
                        if (File.Exists (projectFile)) {
@@ -161,20 +160,16 @@ namespace LongoMatch.DB
                {
                        string projectFile;
                        
+                       projectFile = Path.Combine (dbDirPath, project.ID.ToString ());
+                       project.Description.LastModified = DateTime.UtcNow;
+                       projectsDB.Add (project.Description);
                        try {
-                               projectFile = Path.Combine (dbDirPath, project.ID.ToString ());
-                               project.Description.LastModified = DateTime.UtcNow;
-                               projectsDB.Add (project.Description);
-                               try {
-                                       if (File.Exists (projectFile))
-                                               File.Delete (projectFile);
-                                       Serializer.Save (project, projectFile);
-                               } catch (Exception ex) {
-                                       Log.Exception (ex);
-                                       projectsDB.Delete (project.Description.ID);
-                               }
+                               if (File.Exists (projectFile))
+                                       File.Delete (projectFile);
+                               Serializer.Save (project, projectFile);
                        } catch (Exception ex) {
-                               throw ex;
+                               Log.Exception (ex);
+                               projectsDB.Delete (project.Description.ID);
                        }
                }
 
@@ -183,21 +178,16 @@ namespace LongoMatch.DB
                        string projectFile;
                        
                        projectFile = Path.Combine (dbDirPath, id.ToString ());
-                       try {
-                               if (File.Exists (projectFile)) {
-                                       File.Delete (projectFile);
-                               }
-                               return projectsDB.Delete (id);
-                       } catch (Exception ex) {
-                               Log.Exception (ex);
-                               return false;
+                       if (File.Exists (projectFile)) {
+                               File.Delete (projectFile);
                        }
+                       return projectsDB.Delete (id);
                }
 
-               public bool UpdateProject (Project project)
+               public void UpdateProject (Project project)
                {
                        project.Description.LastModified = DateTime.UtcNow;
-                       return AddProject (project);
+                       AddProject (project);
                }
 
                void ReloadDB ()