version bump for new ggplot2 version

Author: daattali

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: ggExtra
 Title: Add Marginal Histograms to 'ggplot2', and More 'ggplot2' Enhancements
-Version: 0.5.2
+Version: 0.6
 Authors@R: c(
     person("Dean", "Attali", , "[email protected]", role = c("aut", "cre"))
     )
@@ -13,7 +13,7 @@ Depends:
     R (>= 3.1.0)
 Imports:
     colourpicker (>= 0.1),
-    ggplot2 (>= 1.0.0),
+    ggplot2 (>= 2.2.0),
     grid (>= 3.1.3),
     gtable (>= 0.2.0),
     methods,

NEWS.md

@@ -1,3 +1,9 @@
+# ggExtra 0.6
+
+2016-11-04
+
+- support new ggplot2 v2.2.0 (not backwards compatible unforunately because ggplot2 internals changed too much)
+
 # ggExtra 0.5.2
 
 2016-10-03