import jars: use get_omero_user_cache_dir

Currently this is the same as get_omero_userdir but this will change soon as part of ome#210 (comment)

src/omero/plugins/import.py

@@ -41,7 +41,7 @@
 
 from omero.cli import BaseControl, CLI
 import omero.java
-from omero.util import get_omero_userdir
+from omero.util import get_omero_user_cache_dir
 from omero_ext.argparse import SUPPRESS
 from omero_ext.path import path
 
@@ -545,7 +545,7 @@ def importer(self, args):
             self.do_import(command_args, xargs)
 
     def _userdir_jars(self, parentonly=False):
-        user_jars = get_omero_userdir() / 'jars'
+        user_jars = get_omero_user_cache_dir() / 'jars'
         # Use this file instead of a symlink so it works on all platform
         omero_java_txt = user_jars / 'OMERO.java.txt'
         if parentonly:

src/omero/util/__init__.py

@@ -841,6 +841,11 @@ def get_omero_userdir():
         return old_div(path.path(get_user_dir()), "omero")
 
 
+def get_omero_user_cache_dir():
+    """Returns the OMERO user cache directory"""
+    return get_omero_userdir()
+
+
 def get_user_dir():
     exceptions_to_handle = (ImportError)
     try: