branch for porting icu fixes back to agavi
backport icu bugfixes
refs #781
merge b942af2051774af146c2b0f94055b815c1bbe3f7 to 023d2c02aaf111e6bb32f2e7f1c3e512adb1e1a7 (from 1.0)
merging branches/dominik-icu-backport, closes #781