MDL-58428 theme: Update upgrade txt & versions.

admin/tool/behat/upgrade.txt

 This files describes API changes in the tool_behat code.
 
+=== 3.7 ===
+* Behat will now look for behat step definitions in the current
+  theme and any parents the theme may have.
 === 2.7 ===
 * Constants behat_base::cap_allow, behat_base::cap_prevent and
   behat_base::cap_prohibit have been removed in favour of the

theme/boost/upgrade.txt

@@ -3,6 +3,10 @@ information provided here is intended especially for theme designers.
 
 === 3.7 ===
 
+* Templates and renderers moved to core.
+
+* Behat override steps moved to core.
+
 Form element template
 ---------------------
 A 'wrapperid' has been added to 'templates/core_form/element-template.mustache' to restore unique ids

theme/boost/version.php

@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2018120300;
+$plugin->version   = 2019022600;
 $plugin->requires  = 2018112800;
 $plugin->component = 'theme_boost';

theme/bootstrapbase/upgrade.txt

 This file describes API changes in /theme/bootstrapbase
 information provided here is intended especially for theme designers.
 
+=== 3.7 ===
+* Templates and renderers migrated from core.
+
 === 3.0 ===
 * html5shiv updated to 3.7.3
 

theme/bootstrapbase/version.php

@@ -26,6 +26,6 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version   = 2018120300;
+$plugin->version   = 2019022600;
 $plugin->requires  = 2018112800;
 $plugin->component = 'theme_bootstrapbase';

theme/upgrade.txt

@@ -3,6 +3,10 @@ information provided here is intended especially for theme designer.
 
 === 3.7 ===
 * The core/form_autocompelte_input template now has a `data-tags` attribute.
+* Boost theme renderer overrides have now been migrated to core.
+* Renderers that were overridden by Boost are now in Bootstrapbase
+* Core templates in Boost have now moved into core
+* Templates that were overridden by boost are now located in Bootstrapbase
 
 === 3.6 ===