Version bump to 2.2.0 (#335)

Author: AaronAtDuo

CHANGES

@@ -1,3 +1,8 @@
+duo_unix-2.2.0:
+- Added support for Verified Push
+- Updated the Duo API calls to use the Auth API v2
+- SSL failures will cause API calls fail over to additional IPs when the host resolves to multiple addresses
+
 duo_unix-2.1.0:
 - Improves certificate validation for IP hostnames to mitigate CVE-2014-0139
 - Duo Unix obeys rate limiting replies from the Duo cloud service

configure.ac

@@ -9,7 +9,7 @@ AC_PREREQ(2.65)
 
 # Package, version, bug report address
 AC_INIT([duo_unix],
-	[2.1.0],
+	[2.2.0],
 	[support@duosecurity.com])
 
 # Tells autoconf where to find necessary build scripts and macros.