.mailmap updates

.mailmap

@@ -13,16 +13,21 @@ Andrea Turli <toor@toor.(none)>
 Andrei Savu <asavu@apache.org>
 Andrew Phillips <sharedocs1@gmail.com@3d8758e0-26b5-11de-8745-db77d3ebf521>
 Antoni Batchelli <tbatchelli@acm.org>
+Barak Merimovich <barakme@gmail.com>
 Carlos Sanchez <carlos@apache.org>
 Dan Lo Bianco <dan.lobianco@cloudsoftcorp.com>
 Dmitry Durnev <ddurnev@griddynamics.com>
 Hans Hrasna <hans.hrasna@gmail.com>
 Hunter Hutchinson <hunter.hutchinson@gmail.com>
+Ilja Bobkevic <ilja.bobkevic@gmail.com>
 Ivan Meredith <ivan@ivan.net.nz@3d8758e0-26b5-11de-8745-db77d3ebf521>
 James Murty <jamurty@3d8758e0-26b5-11de-8745-db77d3ebf521>
+Karthik Ganesan <karthikwrites@yahoo.com>
 Nicholas Terry <nterry@familysearch.org>
+Nirmal Fernando <nirmal@nirmal.(none)>
 Seshu Pasam <github@pasam.com>
 Shane Witbeck <shane@digitalsanctum.com>
 Tibor Kiss <tibor.kiss@omixon.com>
+Victor Galkin <vgalkin@griddynamics.net>
 Vijay Kiran <mail@vijaykiran.com>
 Zack Shoylev <zack.shoylev@rackspace.com>