Changes since 1.4.7

1) Applied patch from Tuomo Soini that fixes syntax error occuring with
   some versions of 'ash'.

2) Applied Andrew Zhoglo's patch that avoids using multiport match for
   ICMP.

3) Fix error handling after "Unable to determine the routes..."

4) Corrected handling of LOGUNCLEAN.

5) Corrected handling of "complex" zones.

6) Fix tcrules processing.