update to version 1.7.0rc1

CMakeLists.txt

 cmake_minimum_required (VERSION 3.1)
 project (opendht)
 set (opendht_VERSION_MAJOR 1)
-set (opendht_VERSION_MINOR 6.1)
+set (opendht_VERSION_MINOR 7.0)
 set (opendht_VERSION ${opendht_VERSION_MAJOR}.${opendht_VERSION_MINOR})
 set (PACKAGE_VERSION ${opendht_VERSION})
 set (VERSION "${opendht_VERSION}")
@@ -23,7 +23,6 @@ option (OPENDHT_PROXY_CLIENT "Enable DHT proxy client, use Restbed and jsoncpp"
 option (OPENDHT_INDEX "Build DHT indexation feature" OFF)
 option (OPENDHT_TESTS "Add unit tests executable" OFF)
 
-
 find_package(Doxygen)
 option (OPENDHT_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" ${DOXYGEN_FOUND})
 

configure.ac

 dnl define macros
 m4_define([opendht_major_version], 1)
-m4_define([opendht_minor_version], 6)
-m4_define([opendht_patch_version], 1)
+m4_define([opendht_minor_version], 7)
+m4_define([opendht_patch_version], 0)
 m4_define([opendht_version],
 		  [opendht_major_version.opendht_minor_version.opendht_patch_version])