opening files with no extension

1. An error message (“File can not be opened in browser”) is needed, for files with no extension.
2. Same as 1) for symlinks. Alternative: opening target file (resp. errormessage, when targetfile can not be opened in filebrowser).

(from redmine: issue id 1679, created on 2014-04-15 by Daniel.Van.Asseldonk, closed on 2014-07-15)

• Changesets:
  • Revision 1355 by Martin Urban on 2014-07-15T13:10:18Z:

File: Fix abspath in helper, ask if files without extension should be opened in editor, open symlinks, fix #1679.

• Revision 1355 by Martin Urban on 2014-07-15T13:10:18Z:

File: Fix abspath in helper, ask if files without extension should be opened in editor, open symlinks, fix #1679.