Use !== and === in files_trashbin-app
Use isIgnoredDir()
make sure the first breadcrumb item is inserted before any other elements in the topbar
Don't throw a fatal, if is_file() parameter isn't

a 'valid path', but only a data/base64-string.

Related to #4283
[tx-robot] updated from transifex
Merge pull request #4278 from owncloud/breadcrumb-first

make sure the first breadcrumb item is inserted before any other elements in the topbar
Merge pull request #3006 from owncloud/===_and_!==_in_files_trashbin-app

Use !== and === in files_trashbin app
Merge pull request #4284 from owncloud/dont_fatal_on_is_file

Don't throw a fatal, if is_file() parameter isn't a 'valid path', but only a data/base64-string.
Merge branch 'master' into add_ocimage_unittest