DATACMNS-696 - Enable Slack notifications for Travis build.

Original pull request: #123.

Author: gregturn

.travis.yml

@@ -13,4 +13,7 @@ cache:
     - $HOME/.m2
 sudo: false
 install: true
-script: "mvn clean dependency:list test -P${PROFILE} -Dsort"
+script: "mvn clean dependency:list test -P${PROFILE} -Dsort"
+notifications:
+  slack:
+    secure: PWyr3+7uTnHzZSrJY2DrowwdYODlIeFZB6tzuq+i/vYqMlX2GGXGQN9YmqbKPeaVZBdSI7YrI1UDa5cPAAXoTjn/JewkL0RbdTeIS6PGCpcpAb5rFMYtOhEDBrFB/SRiMH4tw86bRNKq/SrUWmpkzDtTzLrw7JceumgyqnrT6GY=