Merge #30: [Build]: Add rc number and build to package version

Build: Port versioning upgrades from Bitcoin 0.18

configure.ac

@@ -2,8 +2,9 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 17)
-define(_CLIENT_VERSION_REVISION, 0)
-define(_CLIENT_VERSION_BUILD, 99)
+define(_CLIENT_VERSION_REVISION, 99)
+define(_CLIENT_VERSION_BUILD, 0)
+define(_CLIENT_VERSION_RC, 0)
 define(_CLIENT_VERSION_IS_RELEASE, false)
 define(_COPYRIGHT_YEAR, 2019)
 dnl VELES BEGIN
@@ -14,7 +15,7 @@ define(_FXTC_COPYRIGHT_YEAR, 2019)
 dnl VELES END
 define(_COPYRIGHT_HOLDERS,[The %s developers])
 define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Veles Core]])
-AC_INIT([Veles Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[https://github.com/velescore/veles/issues],[veles],[https://veles.network/])
+AC_INIT([Veles Core],m4_join([.], _CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MINOR, _CLIENT_VERSION_REVISION, m4_if(_CLIENT_VERSION_BUILD, [0], [], _CLIENT_VERSION_BUILD))m4_if(_CLIENT_VERSION_RC, [0], [], [rc]_CLIENT_VERSION_RC),[https://github.com/velescore/veles/issues],[veles],[https://veles.network/])
 AC_CONFIG_SRCDIR([src/validation.cpp])
 AC_CONFIG_HEADERS([src/config/bitcoin-config.h])
 AC_CONFIG_AUX_DIR([build-aux])