update news and contibutors list for latest PR #129

Author: sckott

appendix.Rmd

@@ -2,6 +2,8 @@
 
 # NEWS {#booknews}
 
+* 2019-02-07, simplify code examples in Package Evolution section (maintenance_evolution.Rmd file)
+
 * 2019-01-23, add details about requirements for packges running on all major platforms and added new section to package categories.
 
 * 2019-01-22, add details to the guide for authors about the development stage at which to submit a package.

index.Rmd

@@ -31,4 +31,4 @@ This book is a living document. You can view updates to our best practices and p
 
 _If you want to contribute to this book (suggestions, corrections) please refer to [the GitHub repository](https://github.com/ropensci/dev_guide) in particular [the contributing guidelines](https://github.com/ropensci/dev_guide#contributing). Thanks!_
 
-_We are thankful for all authors, reviewers and guest editors for helping us improve the system and this guide over the years. Thanks also to the following persons who made contributions to this guide and its previous incarnations: [Katrin Leinweber](https://github.com/katrinleinweber), [John Baumgartner](https://github.com/johnbaums), [François Michonneau](https://github.com/fmichonneau), [Christophe Dervieux](https://github.com/cderv), [Lorenzo Busetto](https://github.com/lbusett), [Ben Marwick](https://github.com/benmarwick), [Nicholas Horton](https://github.com/nicholasjhorton), [Chris Kennedy](https://github.com/ck37), [Mark Padgham](https://github.com/mpadge), [Jeroen Ooms](https://github.com/jeroen), [Sean Hughes](https://github.com/seaaan), [Jan Gorecki](https://github.com/jangorecki), [Joseph Stachelek](https://github.com/jsta), [Dean Attali](https://github.com/daattali), [Julia Gustavsen](https://github.com/jooolia), [Nicholas Tierney](https://github.com/njtierney), [Rich FitzJohn](https://github.com/richfitz), [Tiffany Timbers](https://github.com/ttimbers), [Hilmar Lapp](https://github.com/hlapp), [Miles McBain](https://github.com/milesmcbain), [Bryce Mecum](https://github.com/amoeba), [Jonathan Carroll](https://github.com/jonocarroll/), [Carl Boettiger](https://github.com/cboettig/), [Florian Privé](https://github.com/privefl), [Stefanie Butland](https://github.com/stefaniebutland), [Daniel Possenriede](https://github.com/dpprdan/). Please tell us if we forgot to acknowledge your contribution!_
+_We are thankful for all authors, reviewers and guest editors for helping us improve the system and this guide over the years. Thanks also to the following persons who made contributions to this guide and its previous incarnations: [Katrin Leinweber](https://github.com/katrinleinweber), [John Baumgartner](https://github.com/johnbaums), [François Michonneau](https://github.com/fmichonneau), [Christophe Dervieux](https://github.com/cderv), [Lorenzo Busetto](https://github.com/lbusett), [Ben Marwick](https://github.com/benmarwick), [Nicholas Horton](https://github.com/nicholasjhorton), [Chris Kennedy](https://github.com/ck37), [Mark Padgham](https://github.com/mpadge), [Jeroen Ooms](https://github.com/jeroen), [Sean Hughes](https://github.com/seaaan), [Jan Gorecki](https://github.com/jangorecki), [Joseph Stachelek](https://github.com/jsta), [Dean Attali](https://github.com/daattali), [Julia Gustavsen](https://github.com/jooolia), [Nicholas Tierney](https://github.com/njtierney), [Rich FitzJohn](https://github.com/richfitz), [Tiffany Timbers](https://github.com/ttimbers), [Hilmar Lapp](https://github.com/hlapp), [Miles McBain](https://github.com/milesmcbain), [Bryce Mecum](https://github.com/amoeba), [Jonathan Carroll](https://github.com/jonocarroll/), [Carl Boettiger](https://github.com/cboettig/), [Florian Privé](https://github.com/privefl), [Stefanie Butland](https://github.com/stefaniebutland), [Daniel Possenriede](https://github.com/dpprdan/), [Hadley Wickham](https://github.com/hadley/). Please tell us if we forgot to acknowledge your contribution!_