core: removed default_config:

- constants in core.default_config moved to core.constants
    - removed unused host.getConst and host.setConst
    - APP_NAME* used where it make sense

src/memory/memory.py

@@ -28,7 +28,6 @@ from twisted.internet import defer, reactor
 from twisted.words.protocols.jabber import jid
 from sat.core import exceptions
 from sat.core.constants import Const as C
-from sat.core.default_config import default_config
 from sat.memory.sqlite import SqliteStorage
 from sat.memory.persistent import PersistentDict
 from sat.memory.params import Params
@@ -118,9 +117,7 @@ class Memory(object):
         self.server_features = {}  # used to store discovery's informations
         self.server_identities = {}
         self.config = self.parseMainConf()
-        host.setConst('savefile_database', C.SAVEFILE_DATABASE)
-        database_file = os.path.expanduser(self.getConfig('', 'local_dir') +
-                                           self.host.getConst('savefile_database'))
+        database_file = os.path.expanduser(os.path.join(self.getConfig('', 'local_dir'), C.SAVEFILE_DATABASE))
         self.storage = SqliteStorage(database_file, host.__version__)
         PersistentDict.storage = self.storage
         self.params = Params(host, self.storage)
@@ -133,7 +130,7 @@ class Memory(object):
 
     def parseMainConf(self):
         """look for main .ini configuration file, and parse it"""
-        _config = SafeConfigParser(defaults=default_config)
+        _config = SafeConfigParser(defaults=C.DEFAULT_CONFIG)
         try:
             _config.read(map(os.path.expanduser, ['/etc/sat.conf', '~/sat.conf', '~/.sat.conf', 'sat.conf', '.sat.conf']))
         except: