Add missing names

I went over the NEWS and git log outputs and added all mentioned
contributors through the project's history. I want us to make an
effort to give credit to everyone who contributes, big or small.

AUTHORS

@@ -1,15 +1,40 @@
-* Sara Golemon: Author / Project Manager
+ libssh2 is the result of many friendly people. This list is an attempt to
+ mention all contributors. If we've missed anyone, tell us!
 
-* Daniel Stenberg: Co-maintainer
+ This list of names is a-z sorted.
 
-* James Housleys: Nonblocking conversion
+Adam Gobiowski
-
+Alexander Holyapin
-* Simon Josefsson: libgcrypt support
+Alexander Lamaison
-
+Bjorn Stenborg
-* Mikhail Gusarov: Keyboard Interactive Authentication
+Carlo Bramini
-
+Dan Casey
-* Wez Furlong & Edink Kadribasic: Windows Port
+Dan Fandrich
-
+Daniel Stenberg
-* Dan Fandrich: bug fixes, cleanups
+David J Sullivan
-
+David Robins
-* Guenter Knauf: win32 work and more
+Edink Kadribasic
+Erik Brossler
+Guenter Knauf
+Heiner Steven
+James Housleys
+Jean-Louis Charton
+Markus Moeller
+Mike Protts
+Mikhail Gusarov
+Neil Gierman
+Olivier Hervieu
+Peter O'Gorman
+Peter Stuge
+Romain Bondue
+Sara Golemon
+Satish Mittal
+Sean Peterson
+Selcuk Gueney
+Simon Hart
+Simon Josefsson
+Steven Ayre
+Vincent Jaulin
+Vlad Grachov
+Wez Furlong
+Yang Tse