replaced keyword "yii" with "yii2" in composer.json files (fixes #2557)
typo fix.
Fixes #1535: Improved `yii\web\User` to start session only when needed. Also prepared it for use without session.
fixes #2559
fix formatting
fix formatting
Merge remote-tracking branch 'origin/2559-pjax-filter' into 2559-pjax-filter

* origin/2559-pjax-filter:
  fix formatting
Add $transliteration for Vietnamese

Please review and merge it,
Thank advance
Fixed typo in upgrade guide
Merge pull request #2598 from EmilHaukeland/patch-1

Fixed typo in upgrade guide
fixed AR class docs, do not break comment
add multiple grid support to gridData
typo fix.
Fixes #2601
Merge pull request #2597 from zinzinday/patch-1

Add $transliteration for Vietnamese
Fixed indentation in BaseInflector
skipping memcache on HHVM
Skipping CUBRID on HHVM
Updated custom debug panel example
Merge pull request #2578 from schmunk42/feature/update-composer-keywords

replaced keyword "yii" with "yii2" in composer.json files (fixes #2557)