[KARAF-1145] Upgrade to pax-logging 1.6.4
[KARAF-1145] Upgrade to pax-logging 1.6.4

git-svn-id: 71d8a689455c5fbb0f077bc40adcfc391e14cb9d@1229837 13f79535-47bb-0310-9956-ffa450edef68

grgrzybek/karaf,grgrzybek/karaf,grgrzybek/karaf