#62 Introduction of the table that shows the linear referencing problems
Merge branch 'feature/62_linref_problems' into dev
 #63 Introdcution of the release and annex buttons,
which allows the transfer of an object from one user to an other.
 #63 additional checks added.
AttributeTable refresh after release or annex action added
#63 add icons for the annex and release actions
Merge branch 'feature/63_release_object' into dev