Allow to remove requirement sets and change the target of a requirement set dependancy
Improvement of the importation from clipboard : also consider the \t character as a separator between the paragraph number and the paragraph body
Bug fix
Issue when refactoring  : default values were not taken into consideration. This was due to the fact that these values were not used during reference analysis
Bug fix #442
Items renamed after refactoring
Merge branch 'OpenETCS/master'