Use proper IDS CD default palette and bump to v0.3.0

Thanks @Sascha!

Change-Id: If0ba7262141dbf0b257dbc3288a615bca4c70455
diff --git a/R/ggplot-theme.R b/R/ggplot-theme.R
index fb3176b..0f6aabe 100644
--- a/R/ggplot-theme.R
+++ b/R/ggplot-theme.R
@@ -90,7 +90,7 @@
 #' @rdname scale_ids
 #' @export
 scale_colour_ids <- function(palette = "default", ...) {
-  discrete_scale("colour", "ids", ids_pal(), ...)
+  discrete_scale("colour", "ids", ids_pal(palette=palette, ...))
 }
 
 #' @rdname scale_ids
@@ -104,5 +104,5 @@
 #' @importFrom ggplot2 discrete_scale
 #' @export
 scale_fill_ids <- function(palette = "default", ...) {
-  discrete_scale("fill", "ids", ids_pal(), ...)
+  discrete_scale("fill", "ids", ids_pal(palette=palette, ...))
 }