Made the default for --result-directory and --temp-directory more obvious that...

Made the default for --result-directory and --temp-directory more obvious that it is **not** the real path, see /scratch/mgunther/test_checkouts/bob.bio.caffe/caffe/bin/caffe 'train' --solver=solver.prototxt -log_dir '.' -snapshot 1e-4/snapshots_iter_50000.solverstate , fixes #43

bob/bio/base/tools/command_line.py

@@ -72,8 +72,8 @@ def command_line_parser(description=__doc__, exclude_resources_from=[]):
   ############## options to modify default directories or file names ####################
 
   # directories differ between idiap and extern
-  temp = "/idiap/temp/%s/database-name/sub-directory" % os.environ["USER"] if is_idiap() else "temp"
-  results = "/idiap/user/%s/database-name/sub-directory" % os.environ["USER"] if is_idiap() else "results"
+  temp = "/idiap/temp/%s/[database-name]/[sub-directory]" % os.environ["USER"] if is_idiap() else "temp"
+  results = "/idiap/user/%s/[database-name]/[sub-directory]" % os.environ["USER"] if is_idiap() else "results"
   database_replacement = "%s/.bob_bio_databases.txt" % os.environ["HOME"]
 
   dir_group = parser.add_argument_group('\nDirectories that can be changed according to your requirements')