Merge branch 'master' into develop

Author: Devendra

CHANGELOG

@@ -1,4 +1,7 @@
-5-18-15 - 3.7.4 - 692d25
+6-22-15 - 3.7.4 - cf9bb76
+. wildcard subscribe support
+
+5-18-15 - 3.7.3 - 692d25
 . fix for case where auth key was not being sent with leave request
 . fix for proper encoding of auth key with grant api
 . added storeInHistory parameter to publish method of pnMessage class