Update dns/p5-POE-Component-Server-DNS to version 0.30
Tweak devel/mingw32-gcc version 4.7.2,1
Tweak devel/pear-Date_Holidays_Ireland version 0.1.3
Tweak www/twiki-BugzillaLinkPlugin version 0.0.15560
sysutils/e2fsprogs is ignored, so manually update
Update www/p5-WWW-Scraper-ISBN-ORA_Driver to version 0.20