fix build.properties of feature projects
enhance build.properties file tests
externalize strings of annotation KR plugin
update features dependancies
set plugin dependancies
org.txm.rcp.feature include features instead of plugins
TXMEditor._createPartControl(parent) -> TXMEditor._createPartControl() = don't mess with the parent
rename synopticeditor ext to edition
refresh update sites content
some settings
add treetagger feature for the extension update sites