Bump version to 1.4.7.2

Ruckard Smith (8):
      Add ARM64 support for LevelDB
      OpenSSL 1.1.x support
      Added AARCH64 support for unix (magid)
      Boost 1.66+ support
      Remove C++ 11 literal warnings
      Added AARCH64 support for m-wallet
      New Ruckard release process documented
      Updated dns and ip node seeds. Note: DNS test seeds are not actually deployed but they might be deployed in the future.

src/clientversion.h

@@ -8,7 +8,7 @@
 // These need to be macros, as version.cpp's and magi-qt.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR       1
 #define CLIENT_VERSION_MINOR       4
-#define CLIENT_VERSION_REVISION    6
+#define CLIENT_VERSION_REVISION    7
 #define CLIENT_VERSION_BUILD       2
 
 // Set to true for release, false for prerelease or test build