Updating upgrade version to 1.7

Change-Id: I44d422cbff9dfbeb6d42780334ac886725d06b24

README.md

@@ -35,7 +35,7 @@ The basic installation instructions are:
 
 # UPGRADING
 
-Mahara 16.04 supports direct upgrades from previous Mahara versions 1.6.0 and later.
+Mahara 16.04 supports direct upgrades from previous Mahara versions 1.7.0 and later.
 To upgrade an existing Mahara installation, follow the instructions here:
 
  * https://wiki.mahara.org/wiki/System_Administrator%27s_Guide/Upgrading_Mahara

htdocs/lib/version.php

@@ -19,5 +19,5 @@ $config = new stdClass();
 $config->version = 2016033105;
 $config->series = '16.04';
 $config->release = '16.04rc3testing';
-$config->minupgradefrom = 2012080604;
-$config->minupgraderelease = '1.6.0 (release tag 1.6.0_RELEASE)';
+$config->minupgradefrom = 2008040200;
+$config->minupgraderelease = '1.7.0 (release tag 1.7.0_RELEASE)';