[FIX] disable OpenMP warnings for travis and clang
[FIX] disable OpenMP warnings for travis and clang

budach/seqan,bestrauc/seqan,bestrauc/seqan,weese/seqan,catkira/seqan,hannespetur/SeqAnHTS,bayolau/seqan,limeng12/seqan,budach/seqan,budach/seqan,xenigmax/seqan,bayolau/seqan,h-2/seqan,catkira/seqan,bayolau/seqan,xp3i4/seqan,weese/seqan,ktrappe/seqan,xenigmax/seqan,JohnReid/seqan,hannespetur/SeqAnHTS,xp3i4/seqan,ktrappe/seqan,budach/seqan,h-2/seqan,PF2-pasteur-fr/seqan,catkira/seqan,hannespetur/SeqAnHTS,catkira/seqan,bayolau/seqan,PF2-pasteur-fr/seqan,ktrappe/seqan,limeng12/seqan,JohnReid/seqan,limeng12/seqan,ktrappe/seqan,hannespetur/SeqAnHTS,ktrappe/seqan,limeng12/seqan,xp3i4/seqan,PF2-pasteur-fr/seqan,bayolau/seqan,h-2/seqan,catkira/seqan,h-2/seqan,JohnReid/seqan,budach/seqan,PF2-pasteur-fr/seqan,bayolau/seqan,PF2-pasteur-fr/seqan,budach/seqan,holtgrewe/seqan,bayolau/seqan,weese/seqan,weese/seqan,limeng12/seqan,bestrauc/seqan,holtgrewe/seqan,PF2-pasteur-fr/seqan,hannespetur/SeqAnHTS,holtgrewe/seqan,bestrauc/seqan,xp3i4/seqan,xenigmax/seqan,h-2/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,holtgrewe/seqan,bestrauc/seqan,xenigmax/seqan,ktrappe/seqan,catkira/seqan,bayolau/seqan,ktrappe/seqan,catkira/seqan,JohnReid/seqan,xp3i4/seqan,weese/seqan,weese/seqan,budach/seqan,h-2/seqan,weese/seqan,holtgrewe/seqan,JohnReid/seqan,catkira/seqan,limeng12/seqan,bayolau/seqan,xp3i4/seqan,ktrappe/seqan,h-2/seqan,catkira/seqan,JohnReid/seqan,limeng12/seqan,xenigmax/seqan,xenigmax/seqan,xp3i4/seqan,holtgrewe/seqan,xp3i4/seqan,weese/seqan,hannespetur/SeqAnHTS,limeng12/seqan,hannespetur/SeqAnHTS,PF2-pasteur-fr/seqan,JohnReid/seqan,PF2-pasteur-fr/seqan,hannespetur/SeqAnHTS,h-2/seqan,ktrappe/seqan,xp3i4/seqan,JohnReid/seqan,holtgrewe/seqan,holtgrewe/seqan,JohnReid/seqan,bestrauc/seqan,bestrauc/seqan,h-2/seqan,budach/seqan,limeng12/seqan,budach/seqan,bestrauc/seqan,xenigmax/seqan,PF2-pasteur-fr/seqan