Merge tag '0.2' into devel

0.2

lsusers.py

@@ -36,7 +36,6 @@ def get_users_list():
 
 
 def get_resources_percent(username=None):
-    try:
     if username is None:
         user_opt = ['-e']
     else:
@@ -47,8 +46,6 @@ def get_resources_percent(username=None):
     cmd = Popen(['ps', '-o', 'pmem', '--no-headers'] + user_opt, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
     output = map(float, cmd.stdout.read().decode('utf8').split())
     mem_percent = sum(output)
-    except:
-        cpu_percent = mem_percent = 0
     return cpu_percent, mem_percent