[FEATURE] Parallel: ConcurrentAppender
[FEATURE] Parallel: ConcurrentAppender

Conflicts:
	core/include/seqan/parallel/parallel_sequence.h

bayolau/seqan,catkira/seqan,limeng12/seqan,budach/seqan,bestrauc/seqan,ktrappe/seqan,xp3i4/seqan,JohnReid/seqan,bestrauc/seqan,JohnReid/seqan,hannespetur/SeqAnHTS,ktrappe/seqan,bestrauc/seqan,budach/seqan,catkira/seqan,catkira/seqan,ktrappe/seqan,xenigmax/seqan,JohnReid/seqan,xenigmax/seqan,xp3i4/seqan,ktrappe/seqan,hannespetur/SeqAnHTS,xp3i4/seqan,PF2-pasteur-fr/seqan,PF2-pasteur-fr/seqan,hannespetur/SeqAnHTS,PF2-pasteur-fr/seqan,ktrappe/seqan,PF2-pasteur-fr/seqan,bayolau/seqan,xp3i4/seqan,catkira/seqan,xp3i4/seqan,hannespetur/SeqAnHTS,xp3i4/seqan,bayolau/seqan,hannespetur/SeqAnHTS,limeng12/seqan,PF2-pasteur-fr/seqan,limeng12/seqan,JohnReid/seqan,xenigmax/seqan,catkira/seqan,hannespetur/SeqAnHTS,hannespetur/SeqAnHTS,budach/seqan,PF2-pasteur-fr/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,catkira/seqan,xp3i4/seqan,bestrauc/seqan,xenigmax/seqan,ktrappe/seqan,limeng12/seqan,bayolau/seqan,limeng12/seqan,JohnReid/seqan,PF2-pasteur-fr/seqan,catkira/seqan,xenigmax/seqan,xp3i4/seqan,limeng12/seqan,PF2-pasteur-fr/seqan,bestrauc/seqan,bayolau/seqan,xp3i4/seqan,JohnReid/seqan,budach/seqan,PF2-pasteur-fr/seqan,ktrappe/seqan,bayolau/seqan,budach/seqan,xenigmax/seqan,limeng12/seqan,xenigmax/seqan,bestrauc/seqan,limeng12/seqan,budach/seqan,ktrappe/seqan,budach/seqan,bayolau/seqan,budach/seqan,budach/seqan,bayolau/seqan,JohnReid/seqan,bayolau/seqan,catkira/seqan,catkira/seqan,ktrappe/seqan,hannespetur/SeqAnHTS,JohnReid/seqan,JohnReid/seqan,bestrauc/seqan,limeng12/seqan,bestrauc/seqan