Use the LINKNAME_PATTERN from its new home in key_name.py.  Also, add some missing blank lines that are required by the style guide.
Use the LINKNAME_PATTERN from its new home in key_name.py.  Also, add some
missing blank lines that are required by the style guide.

--HG--
extra : convert_revision : svn%3A32761e7d-7263-4528-b7be-7235b26367ec/trunk%40655

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son