Consisently use /run vice /var/run for documentation and init system integration

README

@@ -94,7 +94,7 @@ As an example, using the default dkimpy-user on Debian, the command would be:
 
 [sudo] adduser --system --no-create-home --quiet --disabled-password \
                --disabled-login --shell /bin/false --group \
-               --home /var/run/dkimpy-milter dkimpy-milter
+               --home /run/dkimpy-milter dkimpy-milter
 
 Since /var/run or /run is sometimes on a tempfs, if the PID file directory is
 missing, the milter will create it on startup.
@@ -117,7 +117,7 @@ Configuration is very similar to opendkim, but needs some adjustment for
 dkimpy-milter. Here's an example configuration line to include in your
 sendmail.mc:
 
-INPUT_MAIL_FILTER(`dkimpy-milter', `S=local:/var/run/dkimpy-milter/dkimpy-milter.sock')dnl
+INPUT_MAIL_FILTER(`dkimpy-milter', `S=local:/run/dkimpy-milter/dkimpy-milter.sock')dnl
 
 Changing the sendmail.mc file requires a Make (to compile it into sendmail.cf)
 and a restart of sendmail.  Note that S= needs to match the value of Socket in