Bump copyright year to 2018 (#2087)

Author: codablock

configure.ac

@@ -5,7 +5,7 @@ define(_CLIENT_VERSION_MINOR, 12)
 define(_CLIENT_VERSION_REVISION, 3)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, false)
-define(_COPYRIGHT_YEAR, 2017)
+define(_COPYRIGHT_YEAR, 2018)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
 define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Dash Core]])
 AC_INIT([Dash Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[https://github.com/dashpay/dash/issues],[dashcore],[https://dash.org/])

src/clientversion.h

@@ -26,7 +26,7 @@
  * Copyright year (2009-this)
  * Todo: update this when changing our copyright comments in the source
  */
-#define COPYRIGHT_YEAR 2017
+#define COPYRIGHT_YEAR 2018
 
 #endif //HAVE_CONFIG_H