Some error and log message strings are not i18N

Revision 586

I found couple of places where log and error message strings are not i18N.

1) "The key_pair %s already exists" error message string is not I18N in cloud.py line 62
2) "Making asynchronous cast..." in rpc.py Line 346
3) "Wrong number of arguments." in twistd.py line 159
4) "No such process" in twistd.py line 223
5) "You must implement __call__" in wsgi.py line 146
6) "Project can't be created because user %s doesn't exist" in dbdriver.py line 122
7) "Project can't be created because project %s already exists" in dbdriver.py line 135
8) "LDAP user %s already exists" in ldapdriver.py line 149
9) "User %s doesn't exist" in ldapdriver.py line 313
10) "Group can't be created because group %s already exists" in ldapdriver.py line 435
11) "Group can't be created because user %s doesn't exist" in ldapdriver.py line 441
12) "User %s can't be searched in group because the user doesn't exist" in ldapdriver.py line 458
13) "User %s can't be added to the group because the user doesn't exist" in ldapdriver.py line 470
14) "The group at dn %s doesn't exist" in ldapdriver.py line 473
15) "The group at dn %s doesn't exist" in ldapdriver.py line 484
16) "User %s can't be removed from the group because the user doesn't exist" in ldapdriver.py line 487
17) "User %s is not a member of the group" in ldapdriver.py line 491
18) "User %s can't be removed from all because the user doesn't exist" in ldapdriver.py line 512
19) "Adding console" in nova/console/manager.py line 70
20) nova/console/xvp, all log messages string should be i18N.
21) "FAKE NET: %s" in linux_net.py line 325
22) "Releasing IP %s" in nova/network/manager.py line 214
23) "Unauthorized attempt to delete object %s from bucket %s" in nova/objectore/handler.py line 318
24) "Failed to decrypt private key: %s" in nova/objectore/image.py line 262
25) "Failed to decrypt initialization vector: %s" in nova/objectore/image.py line 268
26) "Failed to decrypt image file %s : %s" in nova/objectore/image.py line 276
27) "Host %s not available" in nova/scheduler/simple.py line 51
28) "Host %s not available" in nova/scheduler/simple.py line 83
29) "Flushing datastore" in test_auth.py line 335
30) "diagnostics are not supported for libvirt" in libvirt_conn.py line 735
31) "Argument %s may not take value %r. Valid values are ['true', 'false']." in pluginlib_nova.py line 108