[SPARK-6855] [SPARKR] Set R includes to get the right collate order.

This prevents tools like devtools::document creating invalid collate orders

Author: Shivaram Venkataraman <shivaram@cs.berkeley.edu>

Closes #5462 from shivaram/collate-order and squashes the following commits:

f3db562 [Shivaram Venkataraman] Set R includes to get the right collate order. This prevents tools like devtools::document creating invalid collate orders

R/pkg/DESCRIPTION

@@ -17,19 +17,19 @@ License: Apache License (== 2.0)
 Collate:
     'generics.R'
     'jobj.R'
-    'SQLTypes.R'
     'RDD.R'
     'pairRDD.R'
+    'SQLTypes.R'
     'column.R'
     'group.R'
     'DataFrame.R'
     'SQLContext.R'
+    'backend.R'
     'broadcast.R'
+    'client.R'
     'context.R'
     'deserialize.R'
     'serialize.R'
     'sparkR.R'
-    'backend.R'
-    'client.R'
     'utils.R'
     'zzz.R'

R/pkg/R/DataFrame.R

@@ -17,7 +17,7 @@
 
 # DataFrame.R - DataFrame class and methods implemented in S4 OO classes
 
-#' @include jobj.R SQLTypes.R RDD.R pairRDD.R column.R group.R
+#' @include generics.R jobj.R SQLTypes.R RDD.R pairRDD.R column.R group.R
 NULL
 
 setOldClass("jobj")

R/pkg/R/column.R

@@ -17,7 +17,7 @@
 
 # Column Class
 
-#' @include generics.R jobj.R
+#' @include generics.R jobj.R SQLTypes.R
 NULL
 
 setOldClass("jobj")

R/pkg/R/group.R

@@ -17,6 +17,9 @@
 
 # group.R - GroupedData class and methods implemented in S4 OO classes
 
+#' @include generics.R jobj.R SQLTypes.R column.R
+NULL
+
 setOldClass("jobj")
 
 #' @title S4 class that represents a GroupedData

R/pkg/R/jobj.R

@@ -18,6 +18,9 @@
 # References to objects that exist on the JVM backend
 # are maintained using the jobj. 
 
+#' @include generics.R
+NULL
+
 # Maintain a reference count of Java object references
 # This allows us to GC the java object when it is safe
 .validJobjs <- new.env(parent = emptyenv())

R/pkg/R/pairRDD.R

@@ -16,6 +16,8 @@
 #
 
 # Operations supported on RDDs contains pairs (i.e key, value)
+#' @include generics.R jobj.R RDD.R
+NULL
 
 ############ Actions and Transformations ############