Update CHANGELOG and fix cpp lint error

CHANGELOG.md

@@ -9,6 +9,7 @@ Please mark all change in change log and use the ticket from JIRA.
 ## Feature
 
 ## Improvement
+- \#190 - Update default config:use_blas_threshold to 1100 and server version printout to 0.52
 
 ## Task
 

core/src/cache/CacheMgr.h

@@ -61,11 +61,9 @@ class CacheMgr {
     SetCapacity(int64_t capacity);
 
  protected:
-
     CacheMgr();
 
-    virtual
-    ~CacheMgr();
+    virtual ~CacheMgr();
 
  protected:
     using CachePtr = std::shared_ptr<Cache<ItemObj>>;