DATAREDIS-555 - Updated changelog.

Author: odrotbohm

src/main/resources/changelog.txt

@@ -6,6 +6,11 @@ Commit changelog: http://github.com/spring-projects/spring-data-redis/tree/v[ver
 Issues changelog: http://jira.springsource.org/secure/ReleaseNote.jspa?projectId=10604
 ===========================
 
+Changes in version 1.7.4.RELEASE (2016-09-29)
+---------------------------------------------
+* DATAREDIS-555 - Release 1.7.4 (Hopper SR4).
+
+
 Changes in version 1.6.6.RELEASE (2016-09-29)
 ---------------------------------------------
 * DATAREDIS-556 - Release 1.6.6 (Gosling SR6).