added sudo apt-get install g++-multilib to travis.yml
added sudo apt-get install g++-multilib to travis.yml

jhollister/RIOT,x3ro/RIOT,rfuentess/RIOT,thiagohd/RIOT,herrfz/RIOT,Hyungsin/RIOT-OS,stevenj/RIOT,alex1818/RIOT,josephnoir/RIOT,ros2/ros2_embedded_riot,OlegHahm/RIOT,mziegert/RIOT,dhruvvyas90/RIOT,arvindpdmn/RIOT,jfischer-phytec-iot/RIOT,Lexandro92/RIOT-CoAP,LudwigOrtmann/RIOT,syin2/RIOT,arvindpdmn/RIOT,A-Paul/RIOT,rakendrathapa/RIOT,DipSwitch/RIOT,sumanpanchal/RIOT,dkm/RIOT,alex1818/RIOT,DipSwitch/RIOT,daniel-k/RIOT,khhhh/RIOT,abp719/RIOT,locicontrols/RIOT,koenning/RIOT,fnack/RIOT,wentaoshang/RIOT,RIOT-OS/RIOT,mziegert/RIOT,herrfz/RIOT,kaleb-himes/RIOT,latsku/RIOT,jhollister/RIOT,ros2/ros2_embedded_riot,x3ro/RIOT,thomaseichinger/RIOT,khhhh/RIOT,malosek/RIOT,JensErdmann/RIOT,malosek/RIOT,cladmi/RIOT,l3nko/RIOT,OlegHahm/RIOT,rfswarm2/RIOT,robixnai/RIOT,watr-li/RIOT,msolters/RIOT,phiros/RIOT,rakendrathapa/RIOT,watr-li/RIOT,daniel-k/RIOT,dailab/RIOT,RBartz/RIOT,rousselk/RIOT,LudwigKnuepfer/RIOT,locicontrols/RIOT,mfrey/RIOT,stevenj/RIOT,gbarnett/RIOT,automote/RIOT,abkam07/RIOT,tdautc19841202/RIOT,Hyungsin/RIOT-OS,DipSwitch/RIOT,biboc/RIOT,Lexandro92/RIOT-CoAP,attdona/RIOT,rfuentess/RIOT,toonst/RIOT,malosek/RIOT,altairpearl/RIOT,BytesGalore/PetersRIOT,plushvoxel/RIOT,adjih/RIOT,LudwigKnuepfer/RIOT,ntrtrung/RIOT,automote/RIOT,smlng/RIOT,tfar/RIOT,MohmadAyman/RIOT,stevenj/RIOT,plushvoxel/RIOT,mziegert/RIOT,smlng/RIOT,mziegert/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ros2/ros2_embedded_riot,dhruvvyas90/RIOT,changbiao/RIOT,d00616/RIOT,abp719/RIOT,benoit-canet/RIOT,neumodisch/RIOT,chris-wood/RIOT,ant9000/RIOT,OlegHahm/RIOT,lazytech-org/RIOT,rfuentess/RIOT,Josar/RIOT,aeneby/RIOT,toonst/RIOT,altairpearl/RIOT,MarkXYang/RIOT,herrfz/RIOT,beurdouche/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,asanka-code/RIOT,dhruvvyas90/RIOT,wentaoshang/RIOT,mfrey/RIOT,mfrey/RIOT,Ell-i/RIOT,jfischer-phytec-iot/RIOT,immesys/RiSyn,Osblouf/RIOT,1blankz7/RIOT,hamilton-mote/RIOT-OS,sgso/RIOT,benoit-canet/RIOT,immesys/RiSyn,zhuoshuguo/RIOT,jhollister/RIOT,khhhh/RIOT,1blankz7/RIOT,avmelnikoff/RIOT,neumodisch/RIOT,ant9000/RIOT,chris-wood/RIOT,adjih/RIOT,BytesGalore/PetersRIOT,biboc/RIOT,gbarnett/RIOT,herrfz/RIOT-old,brettswann/RIOT,bartfaizoltan/RIOT,herrfz/RIOT,wentaoshang/RIOT,mfrey/RIOT,rajma996/RIOT,OTAkeys/RIOT,attdona/RIOT,neiljay/RIOT,MarkXYang/RIOT,attdona/RIOT,ant9000/RIOT,Lotterleben/RIOT,ros2/ros2_embedded_riot,arvindpdmn/RIOT,MonsterCode8000/RIOT,chris-wood/RIOT,LudwigKnuepfer/RIOT,tfar/RIOT,haoyangyu/RIOT,JensErdmann/RIOT,lebrush/RIOT,openkosmosorg/RIOT,syin2/RIOT,ros2/ros2_embedded_riot,binarylemon/RIOT,tdautc19841202/RIOT,Osblouf/RIOT,gebart/RIOT,Lotterleben/RIOT,ximus/RIOT,alignan/RIOT,zhuoshuguo/RIOT,gebart/RIOT,plushvoxel/RIOT,katezilla/RIOT,adrianghc/RIOT,backenklee/RIOT,centurysys/RIOT,toonst/RIOT,RBartz/RIOT,Hyungsin/RIOT-OS,AnonMall/RIOT,sgso/RIOT,sumanpanchal/RIOT,fnack/RIOT,miri64/RIOT,rousselk/RIOT,Lexandro92/RIOT-CoAP,abkam07/RIOT,Josar/RIOT,BytesGalore/RIOT,abp719/RIOT,1blankz7/RIOT,ks156/RIOT,abp719/RIOT,ThanhVic/RIOT,Lotterleben/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,RubikonAlpha/RIOT,DipSwitch/RIOT,lebrush/RIOT,BytesGalore/RIOT,LudwigOrtmann/RIOT,immesys/RiSyn,Lotterleben/RIOT,Darredevil/RIOT,kaspar030/RIOT,phiros/RIOT,authmillenon/RIOT,arvindpdmn/RIOT,thiagohd/RIOT,rfswarm2/RIOT,patkan/RIOT,rajma996/RIOT,jferreir/RIOT,kaspar030/RIOT,altairpearl/RIOT,yogo1212/RIOT,marcosalm/RIOT,BytesGalore/PetersRIOT,rousselk/RIOT,jremmert-phytec-iot/RIOT,TobiasFredersdorf/RIOT,adjih/RIOT,authmillenon/RIOT,arvindpdmn/RIOT,gbarnett/RIOT,Darredevil/RIOT,d00616/RIOT,cladmi/RIOT,avmelnikoff/RIOT,gebart/RIOT,BytesGalore/PetersRIOT,jhollister/RIOT,emmanuelsearch/RIOT,dkm/RIOT,OTAkeys/RIOT,kushalsingh007/RIOT,rfswarm/RIOT,LudwigOrtmann/RIOT,aeneby/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,basilfx/RIOT,biboc/RIOT,MarkXYang/RIOT,gautric/RIOT,rajma996/RIOT,malosek/RIOT,koenning/RIOT,rajma996/RIOT,PSHIVANI/Riot-Code,MarkXYang/RIOT,fnack/RIOT,kushalsingh007/RIOT,hamilton-mote/RIOT-OS,smlng/RIOT,Darredevil/RIOT,MohmadAyman/RIOT,ros2/ros2_embedded_riot,RubikonAlpha/RIOT,centurysys/RIOT,MonsterCode8000/RIOT,backenklee/RIOT,FrancescoErmini/RIOT,avmelnikoff/RIOT,adrianghc/RIOT,A-Paul/RIOT,mtausig/RIOT,Lexandro92/RIOT-CoAP,phiros/RIOT,mziegert/RIOT,phiros/RIOT,mtausig/RIOT,mtausig/RIOT,gebart/RIOT,MonsterCode8000/RIOT,kbumsik/RIOT,MohmadAyman/RIOT,daniel-k/RIOT,jhollister/RIOT,neumodisch/RIOT,alignan/RIOT,ximus/RIOT,koenning/RIOT,malosek/RIOT,AnonMall/RIOT,yogo1212/RIOT,yogo1212/RIOT,jfischer-phytec-iot/RIOT,openkosmosorg/RIOT,kYc0o/RIOT,marcosalm/RIOT,kushalsingh007/RIOT,attdona/RIOT,kaleb-himes/RIOT,benoit-canet/RIOT,dailab/RIOT,openkosmosorg/RIOT,locicontrols/RIOT,ximus/RIOT,dailab/RIOT,A-Paul/RIOT,abkam07/RIOT,Josar/RIOT,BytesGalore/PetersRIOT,alex1818/RIOT,haoyangyu/RIOT,patkan/RIOT,sumanpanchal/RIOT,chris-wood/RIOT,kerneltask/RIOT,kerneltask/RIOT,locicontrols/RIOT,watr-li/RIOT,stevenj/RIOT,smlng/RIOT,shady33/RIOT,changbiao/RIOT,bartfaizoltan/RIOT,Hyungsin/RIOT-OS,latsku/RIOT,JensErdmann/RIOT,kYc0o/RIOT,roberthartung/RIOT,locicontrols/RIOT,aeneby/RIOT,basilfx/RIOT,ximus/RIOT,immesys/RiSyn,LudwigOrtmann/RIOT,authmillenon/RIOT,tfar/RIOT,robixnai/RIOT,rfswarm/RIOT,sumanpanchal/RIOT,Yonezawa-T2/RIOT,RIOT-OS/RIOT,emmanuelsearch/RIOT,rfswarm/RIOT,alex1818/RIOT,Osblouf/RIOT,josephnoir/RIOT,binarylemon/RIOT,Osblouf/RIOT,sgso/RIOT,emmanuelsearch/RIOT,kb2ma/RIOT,EmuxEvans/RIOT,watr-li/RIOT,patkan/RIOT,kerneltask/RIOT,nsol-nmsu/RIOT,centurysys/RIOT,adrianghc/RIOT,toonst/RIOT,tfar/RIOT,mtausig/RIOT,shady33/RIOT,sgso/RIOT,changbiao/RIOT,rfswarm/RIOT,kYc0o/RIOT,zhuoshuguo/RIOT,kbumsik/RIOT,cladmi/RIOT,herrfz/RIOT-old,FrancescoErmini/RIOT,thomaseichinger/RIOT,mtausig/RIOT,jferreir/RIOT,LudwigOrtmann/RIOT,AnonMall/RIOT,jremmert-phytec-iot/RIOT,jasonatran/RIOT,locicontrols/RIOT,gautric/RIOT,backenklee/RIOT,arvindpdmn/RIOT,ntrtrung/RIOT,lebrush/RIOT,gebart/RIOT,rakendrathapa/RIOT,dhruvvyas90/RIOT,zhuoshuguo/RIOT,haoyangyu/RIOT,nsol-nmsu/RIOT,ks156/RIOT,rakendrathapa/RIOT,brettswann/RIOT,1blankz7/RIOT,BytesGalore/RIOT,smlng/RIOT,plushvoxel/RIOT,msolters/RIOT,tfar/RIOT,FrancescoErmini/RIOT,ntrtrung/RIOT,roberthartung/RIOT,adjih/RIOT,phiros/RIOT,rousselk/RIOT,BytesGalore/PetersRIOT,Darredevil/RIOT,PSHIVANI/Riot-Code,BytesGalore/RIOT,wentaoshang/RIOT,rfswarm2/RIOT,rfswarm/RIOT,sumanpanchal/RIOT,wentaoshang/RIOT,ks156/RIOT,rakendrathapa/RIOT,Yonezawa-T2/RIOT,miri64/RIOT,alignan/RIOT,dailab/RIOT,msolters/RIOT,latsku/RIOT,jbeyerstedt/RIOT-OTA-update,watr-li/RIOT,adrianghc/RIOT,jremmert-phytec-iot/RIOT,A-Paul/RIOT,abkam07/RIOT,kYc0o/RIOT,josephnoir/RIOT,khhhh/RIOT,MonsterCode8000/RIOT,latsku/RIOT,thomaseichinger/RIOT,OlegHahm/RIOT,jferreir/RIOT,OTAkeys/RIOT,shady33/RIOT,robixnai/RIOT,ant9000/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,zhuoshuguo/RIOT,beurdouche/RIOT,daniel-k/RIOT,TobiasFredersdorf/RIOT,asanka-code/RIOT,rousselk/RIOT,l3nko/RIOT,ThanhVic/RIOT,kaspar030/RIOT,MarkXYang/RIOT,AnonMall/RIOT,zhuoshuguo/RIOT,authmillenon/RIOT,MarkXYang/RIOT,kaleb-himes/RIOT,jremmert-phytec-iot/RIOT,centurysys/RIOT,RubikonAlpha/RIOT,RubikonAlpha/RIOT,binarylemon/RIOT,bartfaizoltan/RIOT,authmillenon/RIOT,basilfx/RIOT,fnack/RIOT,ximus/RIOT,alignan/RIOT,benoit-canet/RIOT,abkam07/RIOT,kb2ma/RIOT,neiljay/RIOT,rfswarm/RIOT,automote/RIOT,jbeyerstedt/RIOT-OTA-update,Ell-i/RIOT,mziegert/RIOT,d00616/RIOT,immesys/RiSyn,jferreir/RIOT,plushvoxel/RIOT,lazytech-org/RIOT,latsku/RIOT,stevenj/RIOT,beurdouche/RIOT,kbumsik/RIOT,LudwigOrtmann/RIOT,gbarnett/RIOT,kaspar030/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,jfischer-phytec-iot/RIOT,changbiao/RIOT,khhhh/RIOT,jfischer-phytec-iot/RIOT,fnack/RIOT,beurdouche/RIOT,dailab/RIOT,stevenj/RIOT,cladmi/RIOT,kaleb-himes/RIOT,openkosmosorg/RIOT,koenning/RIOT,avmelnikoff/RIOT,x3ro/RIOT,automote/RIOT,gbarnett/RIOT,luciotorre/RIOT,attdona/RIOT,marcosalm/RIOT,robixnai/RIOT,asanka-code/RIOT,Ell-i/RIOT,thomaseichinger/RIOT,malosek/RIOT,l3nko/RIOT,dhruvvyas90/RIOT,PSHIVANI/Riot-Code,rfuentess/RIOT,jasonatran/RIOT,binarylemon/RIOT,fnack/RIOT,DipSwitch/RIOT,marcosalm/RIOT,altairpearl/RIOT,msolters/RIOT,d00616/RIOT,brettswann/RIOT,Lexandro92/RIOT-CoAP,lebrush/RIOT,Lotterleben/RIOT,automote/RIOT,katezilla/RIOT,katezilla/RIOT,benoit-canet/RIOT,daniel-k/RIOT,rfswarm2/RIOT,EmuxEvans/RIOT,authmillenon/RIOT,jferreir/RIOT,ThanhVic/RIOT,ThanhVic/RIOT,neumodisch/RIOT,yogo1212/RIOT,emmanuelsearch/RIOT,brettswann/RIOT,tdautc19841202/RIOT,immesys/RiSyn,watr-li/RIOT,jasonatran/RIOT,A-Paul/RIOT,basilfx/RIOT,OTAkeys/RIOT,miri64/RIOT,FrancescoErmini/RIOT,ntrtrung/RIOT,abkam07/RIOT,kushalsingh007/RIOT,ThanhVic/RIOT,marcosalm/RIOT,abp719/RIOT,jasonatran/RIOT,RubikonAlpha/RIOT,BytesGalore/PetersRIOT,biboc/RIOT,thiagohd/RIOT,JensErdmann/RIOT,thiagohd/RIOT,kaleb-himes/RIOT,latsku/RIOT,Ell-i/RIOT,x3ro/RIOT,roberthartung/RIOT,syin2/RIOT,shady33/RIOT,tdautc19841202/RIOT,attdona/RIOT,ant9000/RIOT,RIOT-OS/RIOT,locicontrols/RIOT,robixnai/RIOT,luciotorre/RIOT,emmanuelsearch/RIOT,herrfz/RIOT-old,TobiasFredersdorf/RIOT,haoyangyu/RIOT,l3nko/RIOT,beurdouche/RIOT,jasonatran/RIOT,centurysys/RIOT,patkan/RIOT,binarylemon/RIOT,kerneltask/RIOT,Ell-i/RIOT,yogo1212/RIOT,miri64/RIOT,shady33/RIOT,rajma996/RIOT,thiagohd/RIOT,RBartz/RIOT,koenning/RIOT,backenklee/RIOT,Darredevil/RIOT,kb2ma/RIOT,altairpearl/RIOT,gautric/RIOT,changbiao/RIOT,rfuentess/RIOT,asanka-code/RIOT,roberthartung/RIOT,Yonezawa-T2/RIOT,sgso/RIOT,PSHIVANI/Riot-Code,lazytech-org/RIOT,asanka-code/RIOT,thomaseichinger/RIOT,roberthartung/RIOT,gbarnett/RIOT,Hyungsin/RIOT-OS,daniel-k/RIOT,binarylemon/RIOT,EmuxEvans/RIOT,RBartz/RIOT,kYc0o/RIOT,OTAkeys/RIOT,msolters/RIOT,luciotorre/RIOT,jremmert-phytec-iot/RIOT,DipSwitch/RIOT,thiagohd/RIOT,MonsterCode8000/RIOT,changbiao/RIOT,asanka-code/RIOT,marcosalm/RIOT,mfrey/RIOT,kaspar030/RIOT,lazytech-org/RIOT,Osblouf/RIOT,miri64/RIOT,Josar/RIOT,toonst/RIOT,FrancescoErmini/RIOT,sgso/RIOT,herrfz/RIOT,luciotorre/RIOT,neiljay/RIOT,yogo1212/RIOT,jbeyerstedt/RIOT-OTA-update,jferreir/RIOT,TobiasFredersdorf/RIOT,bartfaizoltan/RIOT,Yonezawa-T2/RIOT,FrancescoErmini/RIOT,MonsterCode8000/RIOT,herrfz/RIOT,alignan/RIOT,syin2/RIOT,rakendrathapa/RIOT,chris-wood/RIOT,shady33/RIOT,benoit-canet/RIOT,1blankz7/RIOT,adjih/RIOT,sumanpanchal/RIOT,katezilla/RIOT,neumodisch/RIOT,centurysys/RIOT,RIOT-OS/RIOT,ntrtrung/RIOT,wentaoshang/RIOT,EmuxEvans/RIOT,chris-wood/RIOT,josephnoir/RIOT,abp719/RIOT,cladmi/RIOT,Yonezawa-T2/RIOT,RubikonAlpha/RIOT,kb2ma/RIOT,rfswarm2/RIOT,RBartz/RIOT,l3nko/RIOT,josephnoir/RIOT,rajma996/RIOT,Osblouf/RIOT,altairpearl/RIOT,AnonMall/RIOT,tdautc19841202/RIOT,MohmadAyman/RIOT,Josar/RIOT,automote/RIOT,emmanuelsearch/RIOT,MohmadAyman/RIOT,rfswarm2/RIOT,patkan/RIOT,nsol-nmsu/RIOT,haoyangyu/RIOT,backenklee/RIOT,1blankz7/RIOT,LudwigKnuepfer/RIOT,Lotterleben/RIOT,Darredevil/RIOT,BytesGalore/RIOT,luciotorre/RIOT,dhruvvyas90/RIOT,ks156/RIOT,koenning/RIOT,adrianghc/RIOT,dkm/RIOT,ks156/RIOT,hamilton-mote/RIOT-OS,EmuxEvans/RIOT,neiljay/RIOT,TobiasFredersdorf/RIOT,JensErdmann/RIOT,neiljay/RIOT,rousselk/RIOT,ntrtrung/RIOT,dkm/RIOT,gautric/RIOT,ThanhVic/RIOT,l3nko/RIOT,d00616/RIOT,kushalsingh007/RIOT,d00616/RIOT,luciotorre/RIOT,Yonezawa-T2/RIOT,jhollister/RIOT,aeneby/RIOT,x3ro/RIOT,bartfaizoltan/RIOT,Lotterleben/RIOT,LudwigKnuepfer/RIOT,syin2/RIOT,nsol-nmsu/RIOT,kbumsik/RIOT,nsol-nmsu/RIOT,jremmert-phytec-iot/RIOT,biboc/RIOT,avmelnikoff/RIOT,jbeyerstedt/RIOT-OTA-update,kerneltask/RIOT,bartfaizoltan/RIOT,katezilla/RIOT,PSHIVANI/Riot-Code,tdautc19841202/RIOT,lebrush/RIOT,ximus/RIOT,gautric/RIOT,jbeyerstedt/RIOT-OTA-update,Lexandro92/RIOT-CoAP,robixnai/RIOT,ros2/ros2_embedded_riot,openkosmosorg/RIOT,patkan/RIOT,basilfx/RIOT,neumodisch/RIOT,alex1818/RIOT,aeneby/RIOT,phiros/RIOT,kb2ma/RIOT,MohmadAyman/RIOT,JensErdmann/RIOT,AnonMall/RIOT,msolters/RIOT,openkosmosorg/RIOT,EmuxEvans/RIOT,herrfz/RIOT-old,brettswann/RIOT,haoyangyu/RIOT,lebrush/RIOT,kushalsingh007/RIOT,herrfz/RIOT-old,hamilton-mote/RIOT-OS,alex1818/RIOT,dkm/RIOT,PSHIVANI/Riot-Code,RIOT-OS/RIOT,RBartz/RIOT,khhhh/RIOT,lazytech-org/RIOT,OlegHahm/RIOT,brettswann/RIOT