move rst_xhtml_generator.py to common/ where it belongs

src/chat_control.py

@@ -34,7 +34,7 @@ from message_textview import MessageTextView
 from common.contacts import GC_Contact
 from common.logger import Constants
 constants = Constants()
-from rst_xhtml_generator import create_xhtml
+from common.rst_xhtml_generator import create_xhtml
 from common.xmpp.protocol import NS_XHTML
 
 try:

src/common/connection.py

@@ -35,7 +35,7 @@ from common import passwords
 from connection_handlers import *
 USE_GPG = GnuPG.USE_GPG
 
-from rst_xhtml_generator import create_xhtml
+from common.rst_xhtml_generator import create_xhtml
 
 class Connection(ConnectionHandlers):
 	'''Connection class'''