* util/plugin/EU_10yrspread.pl
util/pandora_migrate_plugins.pl: Add plugin to
get the 10 year spread of several european countries
and fix some bugs of the plugin migrate tool
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@6876 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
zarzuelo