Update contributors

Add missing developers contributing to project git. Cancel "Past and
Occcasional" section and merge the people in the right categories.

Update .mailmap so that the Developer list can be easily re-generated.

Reviewed-By: Gabe Alford <redhatrises@gmail.com>

.mailmap

@@ -2,6 +2,7 @@ Ana Krivokapić  <akrivoka@redhat.com>  Ana Krivokapic <akrivoka@redhat.com>
 Adam Misnyovszki <amisnyov@redhat.com> <amisnyov@redhat.com>
 Endi Sukma Dewata <edewata@redhat.com>   System Administrator <root@dhcp-100-3-211.bos.redhat.com>
 Endi Sukma Dewata <edewata@redhat.com>
+Gabe Alford     <redhatrises@gmail.com>
 Jan Zelený      <jzeleny@redhat.com>
 Jim Meyering    <meyering@redhat.com>  <jim@meyering.net>
 John Dennis     <jdennis@redhat.com>   <jdennis@VAIO>
@@ -46,6 +47,7 @@ Rob Crittenden  <rcritten@redhat.com>  <rcrit@tove.greyoak.com>
 Simo Sorce      <ssorce@redhat.com>    <simo@redhat.com>
 Sumit Bose      <sbose@redhat.com>     <sbose@ipa17-devel.ipa17.devel>
 Sumit Bose      <sbose@redhat.com>     <sbose@ipa18-devel.ipa18.devel>
+Thierry Bordaz  <tbordaz@redhat.com>
 Tomáš Babej     <tbabej@redhat.com>
 Tomáš Babej     <tbabej@redhat.com>    <tomasbabej@gmail.com>
 William Jon McCann <mccann@jhu.edu>    <mccann@jhu.edu>

Contributors.txt

@@ -4,36 +4,93 @@ The following people have contributed to the FreeIPA project.
 (Listed in alphabetical order within category)
 
 Developers:
+	Timo Aaltonen
+	Gabe Alford
 	Jr Aquino
-	Tomas Babej
+	Tomáš Babej
+	Kyle Baker
+	Martin Bašti
+	Sylvain Baubeau
 	Alexander Bokovoy
+	Thierry Bordaz
+	Sumit Bose
+	Xiao-Long Chen
 	Jan Cholasta
+	Yuri Chornoivan
+	Brian Cook
 	Rob Crittenden
+	Frank Cusack
 	Nalin Dahyabhai
+	Don Davis
 	John Dennis
-	Endi Dewata
+	Jason Gerard DeRose
+	Günther Deschner
+	Endi Sukma Dewata
+	Stephen Gallagher
+	Ondřej Hamada
+	Nick Hatch
 	Jakub Hrozek
-	Martin Kosek
 	Nathan Kinder
-	Ana Krivokapic
+	Krzysztof Klimonda
+	Nikolai Kondrashov
+	Martin Košek
+	Ludwig Krispenz
+	Ana Krivokapić
+	Ian Kumlien
+	David Kupka
+	Ade Lee
+	Karl MacMillan
 	Nathaniel McCallum
-	Lynn Root
+	William Jon McCann
+	Kevin McCarthy
+	Mark McLoughlin
 	Rich Megginson
+	Jim Meyering
+	Adam Misnyovszki
+	Marko Myllynen
+	Martin Nagy
+	David O'Brien
+	Dmitri Pal
+	Jan Pazdziora
+	W. Michael Petullo
+	Gowrishankar Rajaiyan
+	Lubomír Rintel
+	Lynn Root
+	Pete Rowley
+	Thorsten Scherf
+	Lars Sjostrom
+	Lukáš Slebodník
 	Simo Sorce
+	Petr Špaček
+	David Spångberg
+	Diane Trout
 	Petr Viktorin
-	Petr Vobornik
+	Petr Voborník
 	Andrew Wnuk
+	Jason Woods
 	Adam Young
+	Jan Zelený
+	Pavel Zůna
 
 Documentation:
+	Gabe Alford
+	Martin Bašti
+	Tomáš Čapek
 	Ella Deon Lackey
+	David O'Brien
 
 Testing:
+	Xiyang Dong
 	Michael Gregg
+	Steeve Goveas
 	Suzanne Hillman
 	Chandrasekar Kannan
+	Namita Krishnan
+	Varun Mylaraiah
+	Scott Poore
 	Gowrishankar Rajaiyan
 	Jenny Severance
+	Kaleemullah Siddiqui
 	Yi Zhang
 
 Translators:
@@ -51,6 +108,7 @@ Wiki, Solution and Idea Contributors:
 	James Hogarth
 	Dale Macartney
 	Viji V Nair
+	Bryce Nordgren
 	Ryan Thompson
 	David Zeuthen
 
@@ -60,29 +118,9 @@ Graphic Design and User Interaction Design:
 
 Management:
 	Scott Haines
+	Nathan Kinder
+	Martin Košek
 	Bob Lord
 	Dmitri Pal
 	Kevin Unthank
 	Karl Wirth
-
-Past and Occasional Contributors:
-	Sylvain Baubeau
-	Yuri Chornoivan
-	Frank Cusack
-	Don Davis
-	Jason DeRose
-	Gunther Deschner
-	Stephen Gallagher
-	Ondrej Hamada
-	Ian Kumlien
-	Karl MacMillan
-	Jon McCann
-	Kevin McCarthy
-	Jim Meyering
-	Martin Nagy
-	David O'Brien
-	Lubomir Rintel
-	Pete Rowley
-	Andreas Schneider
-	Jan Zeleny
-	Pavel Zuna