Fixing race conditions in the code base (#5966)

* Adding initial race detector

* Remove setting of config twice

* Fixing config file watch and config reload on license save

* Fixing config file watch and config reload on license save

* Fixing build error

* Fixing locking issue

* Fixing makefile

* Fixing race in config

* Fixing race in status unit test

* Adding EE race tests

* Fixing race in cluster info

* Removing code that's isn't needed

* Fixing some more races

* Fixing govet issue

utils/config.go

@@ -72,6 +72,8 @@ func FindDir(dir string) string {
 }
 
 func DisableDebugLogForTest() {
+	cfgMutex.Lock()
+	defer cfgMutex.Unlock()
 	if l4g.Global["stdout"] != nil {
 		originalDisableDebugLvl = l4g.Global["stdout"].Level
 		l4g.Global["stdout"].Level = l4g.ERROR
@@ -79,6 +81,8 @@ func DisableDebugLogForTest() {
 }
 
 func EnableDebugLogForTest() {
+	cfgMutex.Lock()
+	defer cfgMutex.Unlock()
 	if l4g.Global["stdout"] != nil {
 		l4g.Global["stdout"].Level = originalDisableDebugLvl
 	}