Ticket #782

Line Break Remove Action is implemented, Options too, automatically
remove on import needs to be added too
Ticket #782

added automatically remove on imports
Merge branch 'Ticket#782'
Ticket #800

"import annotations" options were not visible when using special PDF
files

there was a little bug in the PdfNodeChangeListener which prevented the
DocearNodeModel to be created...
merge
Merge branch 'master' of https://github.com/Docear/Desktop

Conflicts:
	docear_plugin_services/src/org/docear/plugin/services/recommendations/dialog/RecommendationEntryComponent.java
	docear_plugin_services/src/org/docear/plugin/services/recommendations/mode/DocearRecommendationsMapModel.java
	docear_plugin_services/src/org/docear/plugin/services/recommendations/mode/DocearRecommendationsMapView.java