Adding a final fallback for findBinaryPath

Avoid php message "Invalid argument supplied for foreach()" 

files_encryption -> encryption

Fix file size of encrypted files

Proper copy/move between multiple local storages

fix filepicker

Fix user list

Fix namespace duplication and other issues in repairlegacystorages

Preserve cache data when doing a cross storage move

* the name cell was changed from td to th because of accessibility
  issues - this adjusts the CSS and JS to behave like before

cach user folder for file search results