Removed "A package" according to CRAN request

Author: gforge

DESCRIPTION

@@ -4,8 +4,8 @@ Date: 2015-02-07
 Title: Advanced Tables for Markdown/HTML
 Author: Max Gordon <max@gforge.se>
 Maintainer: Max Gordon <max@gforge.se>
-Description: A package for creating tables with state of the art layout
-    containing row spanners, column spanners, table spanners, zebra striping,
+Description: Tables with state of the art layout containing
+    row spanners, column spanners, table spanners, zebra striping,
     and more. While allowing advanced layout the underlying CSS structure is
     simple in order to maximize compatibility with MS Word/LibreOffice.
     The package also contains a few text formatting functions that help outputting