MDL-50102 versions: bump all versions and requires near release

version = planned 2015051100 release version
requires= current 2015050500 rc1 version

Note: On purpose, the course format social wrong version (2015102100)
has been kept unmodified. Looking forward a solution right now.

theme/bootstrapbase/version.php

@@ -26,6 +26,6 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version   = 2014111000;
-$plugin->requires  = 2014110400;
+$plugin->version   = 2015051100;
+$plugin->requires  = 2015050500;
 $plugin->component = 'theme_bootstrapbase';