Rate-limit EVE API calls. Fix cache ttl.
Fix: don't let robots crawl /src/.
Don't change active tab width by bolding the text.
Fix: support 
 in HTMLPurifier.
Store comment replies in editableformattedcontents.
Add editableformattedcontents for fitting descriptions.
Fix: delete editableformattedcontent after deleting comments or replies.
Fix: add fdescription in  by default.
Minor CSS tweaks.
Refactor formatted content refactoring. Use the straightforward, non-SQL way.
Refactor API key storage in the database.
Several API verification improvements.

* Password reset should now work if the original API key used to
  verify the account expired or has been deleted;

* It is now possible to unverify an account on the settings page;

* Lowered constraints for API keys: mask can be anything as long as it
  supports AccountStatus, also Account-type keys are now supported.
Update API user message to reflect API changes.
Merge branch 'v0.12.1-hotfixes' into staging

Conflicts:
	inc/eveapi.php
Version 0.13.0.