* stable-2.6:
Make Diffy in Diffy theme smaller
Remove unnecessary @SuppressWarnings annotations in ChangeControl
Update documentation to clarify how to set Global Capabilities
Distinguish between error and timeout in intraline diff error message
Replace Hashtable with ConcurrentMap
Fix login redirect loop when auth.type = HTTP
Include site header, footer and CSS on OpenID login form
TrivialRebase: Fix custom categories
2a707bdefe