Update docs

Author: hadley

man/ggplotGrob.Rd

@@ -1,5 +1,5 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/plot-render.r
+% Please edit documentation in R/plot-build.r
 \name{ggplotGrob}
 \alias{ggplotGrob}
 \title{Generate a ggplot2 plot grob.}

man/ggplot_gtable.Rd

@@ -1,5 +1,5 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/plot-render.r
+% Please edit documentation in R/plot-build.r
 \name{ggplot_gtable}
 \alias{ggplot_gtable}
 \title{Build a plot with all the usual bits and pieces.}

man/print.ggplot.Rd

@@ -1,5 +1,5 @@
 % Generated by roxygen2 (4.1.1): do not edit by hand
-% Please edit documentation in R/plot-render.r
+% Please edit documentation in R/plot.r
 \name{print.ggplot}
 \alias{plot.ggplot}
 \alias{print.ggplot}