Aka: Fix import of locked alias.
Alias: Prevent @add from allowing invalid names.
commands.py: Fix crash if a custom error message is provided to somethingWithoutSpaces (bug introduced in 29dc1438a0).
RSS: fix initialAnnounceHeadlines not being obeyed
Merge pull request #504 from kytvi2p/issue502

RSS: fix initialAnnounceHeadlines not being obeyed
User: Add custom error message for @gpg add arguments.
Aka: Fix case-sensitivity.
Socket: Forward DNS queries via the socks proxy (if any).
Aka: Fix support for non-ascii commands name with Python 2 (bug introduced in 64300b8a02).
Unicode fixes for python 2.x

These changes have been tested with Python 3.2.3 and Python 2.7.5.
Merge pull request #506 from kytvi2p/unicode2.x

Unicode fixes for python 2.x
Fix commit b46a0dd (breaks tests for Alias and Aka).
Another fix for b46a0dd6a2.