nicer format of unique names, use 'file (restored).txt' instead of 'files.txt.restored'
don't move empty folders to the trash bin
disable "deleted files" button if trash bin is empty
expire trash bin if trash bin exceeds max size after a new file was added to ownCloud
fix typo
make 'restored' extension translatable
Hide Delete Permanently button when Restore happens
found some more places where we can disable buttons while performing a action
reduce time for auto expire to 30 days by default
remove whitespaces
Merge pull request #4203 from owncloud/trashbin_improvements

Trashbin improvements