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 multiple grid support to gridData
remove previous attachments if any
return data from module scope variable
Merge pull request #2596 from tonydspaniard/2559-pjax-filter

2559 pjax filter