devel 6.x-1.21

Changes since 6.x-1.20:

• #754130 by moshe weitzman. Variable editor displays message indicating a variable was deleted when none was.
• #788210 by heyqule. API site outdated URL format
• #800318 by ufku. Invalid query IDs in devel_times
• #803824 by moshe weitzman. drush generate-content fails on types param. D6.
• Fix failure to detect some 'alien' {node_access} records (records that should not be in the table and would be removed by rebuilding permissions).
• Make username of current user bold.
• #830780 by craig_ : fix for undefined index PHP warning
• #785436 by afreeman. devel_generate.module doesn't use user_save() to add new users. d6 only since d7 is fixed already.
• #813132 by fgm. change schablon.com to white for krumo
• #299555 by kbahey: provide memcache as an option for summary performance logging
• SA-CONTRIB-2010-079