core: local_dir moved to config file

- ~/.sat.conf added to potential config file location
- removed useless profile param from getConfig

src/plugins/plugin_xep_0054.py

@@ -41,7 +41,7 @@ try:
 except ImportError:
     from wokkel.subprotocols import XMPPHandler
 
-AVATAR_PATH = "/avatars"
+AVATAR_PATH = "avatars"
 
 IQ_GET = '/iq[@type="get"]'
 NS_VCARD = 'vcard-temp'
@@ -67,7 +67,7 @@ class XEP_0054():
     def __init__(self, host):
         info(_("Plugin XEP_0054 initialization"))
         self.host = host
-        self.avatar_path = os.path.expanduser(self.host.get_const('local_dir') + AVATAR_PATH)
+        self.avatar_path = os.path.join(self.host.memory.getConfig('', 'local_dir'), AVATAR_PATH)
         self.vcard_cache = host.memory.getPrivate("vcard_cache") or {}  #used to store nicknames and avatar, key = jid
         if not os.path.exists(self.avatar_path):
             os.makedirs(self.avatar_path)