harmonisation of .gitignore and .Rbuildignore

.Rbuildignore

@@ -1,9 +1,27 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
-^README.Rmd$
-^_pkgdown\.yml$
+
+^\.git$
+^\.github$
+
+^README\.Rmd$
+^README-.*\.png$
+
+^Meta$
 ^docs$
+^doc$
 ^pkgdown$
-^\.github$
-^LICENSE$
-^.lintr$
+^_pkgdown\.yml$
+
+^\.lintr$
+
+^appveyor\.yml$
+.travis.yml
+
+cran-comments.md
+
+^\.DS_Store$
+
+^revdep$
+^reconf\.sh$
+^rjd3toolkit-java-deps\.xml$

.gitignore

@@ -1,7 +1,55 @@
-.Rproj.user
+# History files
 .Rhistory
+.Rapp.history
+
+# Session Data files
 .RData
+.RDataTmp
+
+# User-specific files
 .Ruserdata
 
-TO_DO
-docs
+# Example code in package build process
+*-Ex.R
+
+# Output files from R CMD build
+/*.tar.gz
+
+# Output files from R CMD check
+/*.Rcheck/
+
+# RStudio files
+.Rproj.user/
+
+# produced vignettes
+vignettes/*.html
+vignettes/*.pdf
+Meta/
+inst/doc/
+doc/
+
+# OAuth2 token, see https://github.com/hadley/httr/releases/tag/v0.3
+.httr-oauth
+
+# knitr and R markdown default cache directories
+*_cache/
+/cache/
+
+# Temporary files created by R markdown
+*.utf8.md
+*.knit.md
+
+# R Environment Variables
+.Renviron
+
+# pkgdown site
+docs/
+
+# translation temp files
+po/*~
+
+# RStudio Connect folder
+rsconnect/
+
+# Hidden file from mac-os
+.DS_Store