[css-color-4] update acknowledgments

Author: svgeesus

css-color-4/Overview.bs

@@ -4148,10 +4148,8 @@ Appendix A: Deprecated CSS System Colors</h2>
 <h2 id="acknowledgments" class="no-num no-ref">
 Acknowledgments</h2>
 
-Thanks to Brad Pettit both for writing up color-profiles, and for implementing it.
-Thanks to Steven Pemberton for his write-up on HSL colors.
-Thanks to Melanie Richards for updating the system colors write-up.
-Thanks especially to the feedback from Marc Attinasi, Chris Bai, Amelia Bellamy-Royds, Lars Borg, Mike Bremford, Bert Bos, Joe Clark, Max Derhak, fantasai, Simon Fraser, Patrick Garies, Tony Graham, Ian Hickson, Phil Green, Andreas Kraushaar, Pierre-Anthony Lemieux, Susan Lesch, Alex LeDonne, Cameron McCormack, Krzysztof Maczy&#x0144;ski, Chris Moschini, Chris Murphy, Chris Needham, Christoph P&auml;per, David Perrell, Jacob Refstrup, Craig Revie, Dave Singer, Jonathan Stanley, Andrew Thompson, Mark Watson, Russ Weakley, Etan Wexler, David Woolley, Boris Zbarsky, Steve Zilles, the XSL FO subgroup of the XSL working group, the <a href="https://www.w3.org/community/colorweb/">Color on the Web community group</a> and all the rest of the <a href="http://lists.w3.org/Archives/Public/www-style/">www-style</a> community.
+Thanks for the feedback from Emilio Cobos Álvarez, Marc Attinasi, Chris Bai, Amelia Bellamy-Royds, Lars Borg, Mike Bremford, Bert Bos, Andreu Botella, Dan Burzo, Joe Clark, Max Derhak, fantasai, Simon Fraser, Patrick Garies, Tony Graham, Ian Hickson, Phil Green, Dean Jackson, Andreas Kraushaar, Pierre-Anthony Lemieux, Susan Lesch, Alex LeDonne, Cameron McCormack, Krzysztof Maczy&#x0144;ski, Chris Moschini, Chris Murphy,  Avatar
+Jonathan Neal, Chris Needham, Christoph P&auml;per, Steven Pemberton, David Perrell, Brad Pettit, Jacob Refstrup, Craig Revie, Melanie Richards, Florian Rivoal, Joseph Salowey, imon Sapin, Dave Singer, Igor Snitkin, Jonathan Stanley, Andrew Thompson, Lea Verou, Mark Watson, Russ Weakley, Natalie Weizenbaum, Etan Wexler, David Woolley, Boris Zbarsky, Steve Zilles, the XSL FO subgroup of the XSL working group, the <a href="https://www.w3.org/community/colorweb/">Color on the Web community group</a> and all the rest of the <a href="http://lists.w3.org/Archives/Public/www-style/">www-style</a> community.
 
 
 <h2 id='changes' class='no-num'>