Add 'link' file_type to find_module

- Adds the 'link' file_type for finding symbolic or hard links
 - Use `os.lstat` instead of `os.stat` to prevent the following
   of links when statting the file.

lib/ansible/modules/files/find.py

@@ -66,7 +66,7 @@ options:
         required: false
         description:
             - Type of file to select
-        choices: [ "file", "directory" ]
+        choices: [ "file", "directory", "link" ]
         default: "file"
     recurse:
         required: false
@@ -275,7 +275,7 @@ def main():
             paths         = dict(required=True, aliases=['name','path'], type='list'),
             patterns      = dict(default=['*'], type='list', aliases=['pattern']),
             contains      = dict(default=None, type='str'),
-            file_type     = dict(default="file", choices=['file', 'directory'], type='str'),
+            file_type     = dict(default="file", choices=['file', 'directory', 'link'], type='str'),
             age           = dict(default=None, type='str'),
             age_stamp     = dict(default="mtime", choices=['atime','mtime','ctime'], type='str'),
             size          = dict(default=None, type='str'),
@@ -331,7 +331,7 @@ def main():
                        continue
 
                     try:
-                        st = os.stat(fsname)
+                        st = os.lstat(fsname)
                     except:
                         msg+="%s was skipped as it does not seem to be a valid file or it cannot be accessed\n" % fsname
                         continue
@@ -354,6 +354,11 @@ def main():
                                 r['checksum'] = module.sha1(fsname)
                             filelist.append(r)
 
+                    elif stat.S_ISLNK(st.st_mode) and params['file_type'] == 'link':
+                        if pfilter(fsobj, params['patterns'], params['use_regex']) and agefilter(st, now, age, params['age_stamp']):
+                            r.update(statinfo(st))
+                            filelist.append(r)
+
                 if not params['recurse']:
                     break
         else: