core: configuration file

SàT's main options can now be put in a configuration file which can be in different locations
Bridge: new getConfig option

src/bridge/DBus.py

@@ -170,6 +170,12 @@ class DbusObject(dbus.service.Object):
     def disconnect(self, profile_key="@DEFAULT@"):
         return self.cb["disconnect"](unicode(profile_key))
 
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
+                         in_signature='sss', out_signature='s',
+                         async_callbacks=None)
+    def getConfig(self, section, name, profile_key='@DEFAULT@'):
+        return self.cb["getConfig"](unicode(section), unicode(name), unicode(profile_key))
+
     @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='s', out_signature='a(sa{ss}as)',
                          async_callbacks=None)

src/bridge/bridge_constructor/bridge_template.ini

@@ -320,6 +320,17 @@ doc_param_0=sub_type: as for [subscribe]
 doc_param_1=entity: as for [subscribe]
 doc_param_2=%(doc_profile_key)s
 
+[getConfig]
+type=method
+category=communication
+sig_in=sss
+sig_out=s
+param_2_default='@DEFAULT@'
+doc=get main configuration option
+doc_param_0=section: section of the configuration file (empty string for DEFAULT)
+doc_param_1=name: name of the option
+doc_param_2=%(doc_profile_key)s
+
 [setParam]
 type=method
 category=communication