Rename to posterdown.ids

and drop support for other layouts

Change-Id: I8f62e38044f5259bd91bcc5aac551c9d9567d5b2
diff --git a/R/posterdown.R b/R/posterdown.R
index b50d351..e226c95 100644
--- a/R/posterdown.R
+++ b/R/posterdown.R
@@ -1,15 +1,12 @@
-#' posterdown package
+#' posterdown.ids package
 #'
 #' This package creates posters for conferences
 #'
 #' @author Brent Thorne
+#' @author Marc Kupietz
 #'
-#' @section poster_html:
-#' Creates an R Markdown template for a PDF poster document via HTML
-#' @section poster_betterland:
-#' Creates an R Markdown template for a PDF poster document via HTML
-#' @section poster_betterport:
-#' Creates an R Markdown template for a PDF poster document via HTML
+#' @section posterdown_ids:
+#' Creates an R Markdown template for a IDS CD compliant PDF poster document via HTML
 #' @docType package
 #' @name posterdown
 NULL