Fix typos in the 'who uses FreeBSD page'
Add voxer to the list of those who use FreeBSD

PR:		193599
Approved by:	bcr (mentor)
Sponsored by:	ScaleEngine Inc.


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45672 c2e8774f-c49f-e111-b436-862b2bbc8956
Fix my mail address


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45673 c2e8774f-c49f-e111-b436-862b2bbc8956