Update version numbers to beta2

Note that the RAPI change is in a docstring (i.e. example), not in code.

Reviewed-by: ultrotter

configure.ac

@@ -2,7 +2,7 @@
 m4_define([gnt_version_major], [2])
 m4_define([gnt_version_minor], [0])
 m4_define([gnt_version_revision], [0])
-m4_define([gnt_version_suffix], [~beta1])
+m4_define([gnt_version_suffix], [~beta2])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,

lib/rapi/rlib2.py

@@ -77,7 +77,7 @@ class R_2_info(baserlib.R_Generic):
     {
       "config_version": 2000000,
       "name": "cluster",
-      "software_version": "2.0.0~beta1",
+      "software_version": "2.0.0~beta2",
       "os_api_version": 10,
       "export_version": 0,
       "candidate_pool_size": 10,