CAT-2713 Including new SendMessage verb to the SDK.
CAT-2713 Including missing status callback URL attribute to SendMessage verb.
[maven-release-plugin] prepare release bandwidth-java-sdk-1.4
[maven-release-plugin] prepare for next development iteration
Merge branch 'master' into CAT-2713_send-msg-verb
Merge branch 'CAT-2713_send-msg-verb' into new_baml_verbs_sdk

Conflicts:
	src/main/java/com/bandwidth/sdk/xml/Response.java