Add french translation by mickL39. Update .gitignore to not ignore lang ini files.

.gitignore

@@ -27,7 +27,7 @@ Windows/ipch
 .DS_Store
 
 # For ppsspp.ini, etc.
-*.ini
+ppsspp.ini
 
 # Qt Linguist files
 *.qm

lang/fr_FR.ini

@@ -0,0 +1,57 @@
+[MainMenu]
+Credits = Crédits
+Exit = Quitter
+Load = Charger...
+Settings = Paramètres
+Recent = Récent
+[Developer]
+Dump frame to log = Dump frame to log
+Load language ini = Charger langue ini
+Run CPU tests = Exécuter des tests CPU
+Save language ini = Sauvegarder langue ini
+Developer Tools = Outils de développement
+[General]
+Back = Retour
+[MainSettings]
+Audio = Audio
+AudioDesc = Régler les Paramètres Audio
+Controls = Commandes
+ControlsDesc = Commandes Tactiles, Boutons Larges
+Developer = Développeur
+DeveloperDesc = Exécuter des tests CPU, Dump Next Frame Log
+Graphics = Graphiques
+GraphicsDesc = Modifier les Options Graphiques
+Settings = Paramètres
+System = Système
+SystemDesc = Activer Dynarec (JIT), Fast Memory
+[System]
+Dynarec = Dynarec (JIT)
+Fast Memory = Fast Memory (instable)
+Show Debug Statistics = Voir Statistiques de Débogage
+Show FPS = Afficher les FPS
+System Settings = Paramètres Système
+[Audio]
+Audio Settings = Paramètres Audio
+Enable Sound = Activer le Son
+[Controls]
+Controls Settings = Paramètres Commandes
+OnScreen = Commandes Tactiles
+Tilt = Tilt to Analog (horizontal)
+[Graphics]
+2X = 2x Render Resolution
+Buffered Rendering = Buffered Rendering
+Frame Skipping = Frame Skipping
+Graphics Settings = Graphics Settings
+Hardware Transform = Hardware Transform
+Linear Filtering = Linear Filtering
+Media Engine = Media Engine
+Mipmapping = Mipmapping
+Stream VBO = Stream VBO
+Vertex Cache = Vertex Cache
+Stretch to Display = Stretch to Display
+[Pause]
+Back to Menu = Retour Menu
+Continue = Continuer
+Load State = Charger État
+Save State = Sauv. État
+Settings = Paramètres