Version bump for 18.04.2

Signed-off-by: Cecilia Vela Gurovic <ceciliavg@catalyst.net.nz>

ChangeLog

+18.04.2 (2018-06-11)
+- 1773864 	ExternalFeed block cron task fails when SSL cert is not valid for a feed
+- 1774309 	Getting an Undefined index: QUERY_STRING when logging in
+- 1774334 	Redirecting to wrong adminurl post login
+- 1767867 	'Search results for' link in My Tags page not working correctly
+
 18.04.1 (2018-05-30)
 - 1763581 	Capitalisation of username / email address issue with LTI
 - 1766041 	Password policy setting for only upper and lowercase letters doesn't require uppercase

htdocs/lib/version.php

@@ -16,8 +16,8 @@ $config = new stdClass();
 // See https://wiki.mahara.org/wiki/Developer_Area/Version_Numbering_Policy
 // For upgrades on stable branches, increment the version by one.  On master, use the date.
 
-$config->version = 2018022509;
+$config->version = 2018022510;
 $config->series = '18.04';
-$config->release = '18.04.2testing';
+$config->release = '18.04.2';
 $config->minupgradefrom = 2015030409;
 $config->minupgraderelease = '15.04.0 (release tag 15.04.0_RELEASE)';