FEATURE: log out user

Classes/UserVoice.m

@@ -161,5 +161,12 @@ + (NSString *)version {
     return @"3.2.3";
 }
 
++ (void)logoutUser{
+    [[UVSession currentSession] clear];
+    NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
+    [prefs setObject:@"" forKey:@"uv-user-email"];
+    [prefs setObject:@"" forKey:@"uv-user-name"];
+    [prefs synchronize];
+}
 
 @end

Include/UserVoice.h

@@ -46,6 +46,9 @@
 // Get the current version number of the iOS SDK
 + (NSString *)version;
 
+// Log out user and clear stored name and email
++ (void)logoutUser;
+
 // For integration with other services
 + (void)setExternalId:(NSString *)identifier forScope:(NSString *)scope;