Update version to 5.0.0.0 for mandatory production release "Fern"

Author: jamescowens

configure.ac

@@ -1,10 +1,10 @@
 dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
-define(_CLIENT_VERSION_MAJOR, 4)
+define(_CLIENT_VERSION_MAJOR, 5)
 define(_CLIENT_VERSION_MINOR, 0)
-define(_CLIENT_VERSION_REVISION, 6)
-define(_CLIENT_VERSION_BUILD, 46)
-define(_CLIENT_VERSION_IS_RELEASE, false)
+define(_CLIENT_VERSION_REVISION, 0)
+define(_CLIENT_VERSION_BUILD, 0)
+define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2020)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
 define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Gridcoin]])