removed jabref internal dnd listener for pdf files
Merge remote-tracking branch 'origin/master'
see #339
prevents infinite loop for #394

if clickable text is too long, and there is no space-char to break, then just return the string
added confirmation dialog (see #332)
Merge remote-tracking branch 'origin/master'
fixes #349
build numbers
changes to show warning in case a path is given but no project is
available (see #345)
Merge remote-tracking branch 'origin/master'
minor changes to prevent map repaint flickering (see #384)
prevent .bib files to be opened on DnD onto the reference table (see #328)
fixed a threading race condition problem

race condition resulted in ArrayOutOfBoundsException
disable current proxy support #401

- does not work as intended so we completely disable it for now
build numbers