Version bump for 2.7.0~beta1

Also update the documentation target versions and the cfgupgrade tool to
recognize 2.6 and upgrade to 2.7
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

README

-Ganeti 2.6
+Ganeti 2.7
 ==========
 
 For installation instructions, read the INSTALL and the doc/install.rst

configure.ac

 # Configure script for Ganeti
 m4_define([gnt_version_major], [2])
-m4_define([gnt_version_minor], [6])
-m4_define([gnt_version_revision], [2])
-m4_define([gnt_version_suffix], [])
+m4_define([gnt_version_minor], [7])
+m4_define([gnt_version_revision], [0])
+m4_define([gnt_version_suffix], [~beta1])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,

doc/design-draft.rst

@@ -2,7 +2,7 @@
 Design document drafts
 ======================
 
-.. Last updated for Ganeti 2.6
+.. Last updated for Ganeti 2.7
 
 .. toctree::
    :maxdepth: 2

doc/hooks.rst

 Ganeti customisation using hooks
 ================================
 
-Documents Ganeti version 2.6
+Documents Ganeti version 2.7
 
 .. contents::
 

doc/iallocator.rst

 Ganeti automatic instance allocation
 ====================================
 
-Documents Ganeti version 2.6
+Documents Ganeti version 2.7
 
 .. contents::
 

doc/security.rst

 Security in Ganeti
 ==================
 
-Documents Ganeti version 2.6
+Documents Ganeti version 2.7
 
 Ganeti was developed to run on internal, trusted systems. As such, the
 security model is all-or-nothing.

doc/virtual-cluster.rst

 Virtual cluster support
 =======================
 
-Documents Ganeti version 2.6
+Documents Ganeti version 2.7
 
 .. contents::
 

tools/cfgupgrade

@@ -52,7 +52,7 @@ args = None
 #: Target major version we will upgrade to
 TARGET_MAJOR = 2
 #: Target minor version we will upgrade to
-TARGET_MINOR = 6
+TARGET_MINOR = 7
 
 
 class Error(Exception):
@@ -204,8 +204,8 @@ def main():
     raise Error("Inconsistent configuration: found config_version in"
                 " configuration file")
 
-  # Upgrade from 2.0/2.1/2.2/2.3 to 2.4
-  if config_major == 2 and config_minor in (0, 1, 2, 3, 4, 5):
+  # Upgrade from 2.{0..6} to 2.7
+  if config_major == 2 and config_minor in (0, 1, 2, 3, 4, 5, 6):
     if config_revision != 0:
       logging.warning("Config revision is %s, not 0", config_revision)