Fixes #1142. CSecurityManager::computeHMAC() now has public accessor.
PHPDoc of the CSecurityManager::computeHMAC() has been enhanced.
Merge branch 'master' of github.com:yiisoft/yii into fixes-1142
UPGRADE note for #2249 and #1142. Related to the CSecurityManager::computeHMAC().
Merge pull request #2249 from resurtm/fixes-1142

Fixes #1142. CSecurityManager::computeHMAC() has been made public.
E_NOTICE → E_STRICT :grin: [ci skip]
Fixes  #2239 proper meta refresh syntax
Reverted change of the deprecated property's PHPDoc (made in PR #2249).
Adjusted tests for CHtml::refresh() regarding to fix for issue #2239
doc fix
Added "Symlinking assets" section to Guide's "Performance Tuning"
[NL] Update for latest code revision
Merge pull request #2262 from Blizzke/master

[NL] Updated
Added link to wikipedia article about what symlink is
Merge pull request #2260 from samdark/add-symlinking-assets-to-performange-guide

Added "Symlinking assets" section to Guide's "Performance Tuning"
Enh #1447: CSqliteSchema: added enabling/disabling integrity check for sqlite. PR #1449.
Failing test fix.