Added txtdb2.diff and execenv.diff
added txtdb.diff
added a lot of patches for amanda-2.4.0b4
clean up patches for amanda-2.4.0b3; prepare for 2.4.0b4
update version number
add comment about backward (in)compatibility of amanda-2.4.0
fixed typo
Added basic regular expression and fsent patches by Georg Rehfeld
Fixed a typo in a URL
Added plncore2.diff (planner patch by Georg Rehfeld)