Added PEP_ENGINE_VERSION_RC flag for default branch use - will show RC version

src/pEpEngine.h

@@ -22,10 +22,12 @@ extern "C" {
 // RELEASE version this targets
 // (string: major.minor.patch)
 #define PEP_ENGINE_VERSION "2.1.0"
+
 // Numeric values of above:
 #define PEP_ENGINE_VERSION_MAJOR 2
 #define PEP_ENGINE_VERSION_MINOR 1
 #define PEP_ENGINE_VERSION_PATCH 0
+#define PEP_ENGINE_VERSION_RC    0
 
 
 #define PEP_OWN_USERID "pEp_own_userId"