gitignore: add ctags index file and gdb initialization scripts
gitignore: add ctags index file and gdb initialization scripts

stevenj/RIOT,rousselk/RIOT,immesys/RiSyn,neumodisch/RIOT,gebart/RIOT,MohmadAyman/RIOT,LudwigOrtmann/RIOT,lazytech-org/RIOT,RBartz/RIOT,LudwigOrtmann/RIOT,immesys/RiSyn,biboc/RIOT,altairpearl/RIOT,A-Paul/RIOT,syin2/RIOT,rakendrathapa/RIOT,hamilton-mote/RIOT-OS,tfar/RIOT,miri64/RIOT,authmillenon/RIOT,josephnoir/RIOT,biboc/RIOT,shady33/RIOT,plushvoxel/RIOT,cladmi/RIOT,kaspar030/RIOT,roberthartung/RIOT,jremmert-phytec-iot/RIOT,asanka-code/RIOT,jfischer-phytec-iot/RIOT,altairpearl/RIOT,ant9000/RIOT,FrancescoErmini/RIOT,mfrey/RIOT,haoyangyu/RIOT,LudwigOrtmann/RIOT,kerneltask/RIOT,aeneby/RIOT,smlng/RIOT,lebrush/RIOT,kYc0o/RIOT,herrfz/RIOT,rfuentess/RIOT,adrianghc/RIOT,josephnoir/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,stevenj/RIOT,rfuentess/RIOT,lebrush/RIOT,thomaseichinger/RIOT,gebart/RIOT,neumodisch/RIOT,plushvoxel/RIOT,FrancescoErmini/RIOT,kbumsik/RIOT,dhruvvyas90/RIOT,MohmadAyman/RIOT,thomaseichinger/RIOT,syin2/RIOT,avmelnikoff/RIOT,katezilla/RIOT,brettswann/RIOT,l3nko/RIOT,katezilla/RIOT,shady33/RIOT,authmillenon/RIOT,tfar/RIOT,hamilton-mote/RIOT-OS,RBartz/RIOT,lazytech-org/RIOT,wentaoshang/RIOT,Josar/RIOT,RubikonAlpha/RIOT,RIOT-OS/RIOT,gautric/RIOT,BytesGalore/RIOT,smlng/RIOT,rajma996/RIOT,MohmadAyman/RIOT,lebrush/RIOT,katezilla/RIOT,cladmi/RIOT,Yonezawa-T2/RIOT,binarylemon/RIOT,dhruvvyas90/RIOT,Hyungsin/RIOT-OS,zhuoshuguo/RIOT,stevenj/RIOT,watr-li/RIOT,adjih/RIOT,d00616/RIOT,kYc0o/RIOT,basilfx/RIOT,smlng/RIOT,altairpearl/RIOT,plushvoxel/RIOT,binarylemon/RIOT,biboc/RIOT,neiljay/RIOT,altairpearl/RIOT,jbeyerstedt/RIOT-OTA-update,yogo1212/RIOT,malosek/RIOT,jasonatran/RIOT,stevenj/RIOT,neiljay/RIOT,Yonezawa-T2/RIOT,avmelnikoff/RIOT,jfischer-phytec-iot/RIOT,rfuentess/RIOT,lazytech-org/RIOT,l3nko/RIOT,msolters/RIOT,rakendrathapa/RIOT,jremmert-phytec-iot/RIOT,mtausig/RIOT,khhhh/RIOT,miri64/RIOT,ks156/RIOT,adrianghc/RIOT,roberthartung/RIOT,adjih/RIOT,stevenj/RIOT,toonst/RIOT,MohmadAyman/RIOT,mfrey/RIOT,kbumsik/RIOT,kb2ma/RIOT,msolters/RIOT,rajma996/RIOT,kerneltask/RIOT,yogo1212/RIOT,altairpearl/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,adrianghc/RIOT,immesys/RiSyn,adjih/RIOT,zhuoshuguo/RIOT,OlegHahm/RIOT,watr-li/RIOT,yogo1212/RIOT,jbeyerstedt/RIOT-OTA-update,hamilton-mote/RIOT-OS,x3ro/RIOT,toonst/RIOT,RBartz/RIOT,syin2/RIOT,ks156/RIOT,Ell-i/RIOT,jasonatran/RIOT,TobiasFredersdorf/RIOT,kaspar030/RIOT,authmillenon/RIOT,Josar/RIOT,shady33/RIOT,gautric/RIOT,neiljay/RIOT,lazytech-org/RIOT,haoyangyu/RIOT,lebrush/RIOT,d00616/RIOT,ant9000/RIOT,herrfz/RIOT,msolters/RIOT,mziegert/RIOT,beurdouche/RIOT,dailab/RIOT,lebrush/RIOT,jbeyerstedt/RIOT-OTA-update,backenklee/RIOT,LudwigKnuepfer/RIOT,kaleb-himes/RIOT,brettswann/RIOT,asanka-code/RIOT,mtausig/RIOT,kb2ma/RIOT,beurdouche/RIOT,immesys/RiSyn,kaleb-himes/RIOT,mfrey/RIOT,OTAkeys/RIOT,Josar/RIOT,l3nko/RIOT,FrancescoErmini/RIOT,backenklee/RIOT,d00616/RIOT,attdona/RIOT,plushvoxel/RIOT,hamilton-mote/RIOT-OS,tfar/RIOT,wentaoshang/RIOT,authmillenon/RIOT,mtausig/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,adrianghc/RIOT,avmelnikoff/RIOT,Josar/RIOT,RubikonAlpha/RIOT,neiljay/RIOT,dkm/RIOT,shady33/RIOT,rousselk/RIOT,alignan/RIOT,malosek/RIOT,Yonezawa-T2/RIOT,gebart/RIOT,kerneltask/RIOT,rousselk/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,immesys/RiSyn,dailab/RIOT,brettswann/RIOT,asanka-code/RIOT,neumodisch/RIOT,backenklee/RIOT,rakendrathapa/RIOT,BytesGalore/RIOT,aeneby/RIOT,jremmert-phytec-iot/RIOT,watr-li/RIOT,brettswann/RIOT,khhhh/RIOT,adrianghc/RIOT,OlegHahm/RIOT,RBartz/RIOT,miri64/RIOT,FrancescoErmini/RIOT,mziegert/RIOT,l3nko/RIOT,zhuoshuguo/RIOT,avmelnikoff/RIOT,neumodisch/RIOT,haoyangyu/RIOT,TobiasFredersdorf/RIOT,zhuoshuguo/RIOT,OlegHahm/RIOT,basilfx/RIOT,dailab/RIOT,rajma996/RIOT,ks156/RIOT,attdona/RIOT,thomaseichinger/RIOT,kbumsik/RIOT,kaleb-himes/RIOT,syin2/RIOT,rajma996/RIOT,toonst/RIOT,aeneby/RIOT,rajma996/RIOT,d00616/RIOT,jasonatran/RIOT,wentaoshang/RIOT,Josar/RIOT,cladmi/RIOT,binarylemon/RIOT,josephnoir/RIOT,RIOT-OS/RIOT,LudwigKnuepfer/RIOT,mziegert/RIOT,kbumsik/RIOT,toonst/RIOT,mtausig/RIOT,attdona/RIOT,lazytech-org/RIOT,jbeyerstedt/RIOT-OTA-update,Yonezawa-T2/RIOT,roberthartung/RIOT,kerneltask/RIOT,LudwigOrtmann/RIOT,gautric/RIOT,A-Paul/RIOT,katezilla/RIOT,msolters/RIOT,aeneby/RIOT,haoyangyu/RIOT,LudwigKnuepfer/RIOT,wentaoshang/RIOT,yogo1212/RIOT,gautric/RIOT,dkm/RIOT,tfar/RIOT,jremmert-phytec-iot/RIOT,A-Paul/RIOT,FrancescoErmini/RIOT,neiljay/RIOT,khhhh/RIOT,haoyangyu/RIOT,malosek/RIOT,alignan/RIOT,malosek/RIOT,beurdouche/RIOT,BytesGalore/RIOT,gautric/RIOT,msolters/RIOT,herrfz/RIOT,ks156/RIOT,d00616/RIOT,l3nko/RIOT,roberthartung/RIOT,mziegert/RIOT,biboc/RIOT,rfuentess/RIOT,Hyungsin/RIOT-OS,adjih/RIOT,jfischer-phytec-iot/RIOT,watr-li/RIOT,kerneltask/RIOT,adjih/RIOT,OTAkeys/RIOT,alignan/RIOT,RBartz/RIOT,alignan/RIOT,watr-li/RIOT,backenklee/RIOT,Ell-i/RIOT,kaleb-himes/RIOT,herrfz/RIOT,brettswann/RIOT,Yonezawa-T2/RIOT,x3ro/RIOT,authmillenon/RIOT,rajma996/RIOT,Ell-i/RIOT,jfischer-phytec-iot/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,jremmert-phytec-iot/RIOT,kb2ma/RIOT,A-Paul/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,RubikonAlpha/RIOT,wentaoshang/RIOT,kbumsik/RIOT,yogo1212/RIOT,OTAkeys/RIOT,hamilton-mote/RIOT-OS,dailab/RIOT,rousselk/RIOT,josephnoir/RIOT,malosek/RIOT,rakendrathapa/RIOT,x3ro/RIOT,kaspar030/RIOT,LudwigKnuepfer/RIOT,tfar/RIOT,dkm/RIOT,aeneby/RIOT,gebart/RIOT,jfischer-phytec-iot/RIOT,rfuentess/RIOT,OTAkeys/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,basilfx/RIOT,beurdouche/RIOT,Ell-i/RIOT,l3nko/RIOT,neumodisch/RIOT,smlng/RIOT,kb2ma/RIOT,RBartz/RIOT,authmillenon/RIOT,thomaseichinger/RIOT,toonst/RIOT,shady33/RIOT,kaspar030/RIOT,yogo1212/RIOT,smlng/RIOT,asanka-code/RIOT,shady33/RIOT,miri64/RIOT,TobiasFredersdorf/RIOT,MohmadAyman/RIOT,jremmert-phytec-iot/RIOT,Yonezawa-T2/RIOT,ks156/RIOT,gebart/RIOT,alignan/RIOT,A-Paul/RIOT,dhruvvyas90/RIOT,binarylemon/RIOT,rousselk/RIOT,dhruvvyas90/RIOT,MohmadAyman/RIOT,zhuoshuguo/RIOT,TobiasFredersdorf/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,FrancescoErmini/RIOT,kb2ma/RIOT,Hyungsin/RIOT-OS,backenklee/RIOT,altairpearl/RIOT,RubikonAlpha/RIOT,Hyungsin/RIOT-OS,LudwigOrtmann/RIOT,jasonatran/RIOT,dailab/RIOT,OlegHahm/RIOT,jbeyerstedt/RIOT-OTA-update,kYc0o/RIOT,rousselk/RIOT,ant9000/RIOT,syin2/RIOT,khhhh/RIOT,RubikonAlpha/RIOT,stevenj/RIOT,Ell-i/RIOT,mfrey/RIOT,binarylemon/RIOT,zhuoshuguo/RIOT,haoyangyu/RIOT,immesys/RiSyn,plushvoxel/RIOT,khhhh/RIOT,dkm/RIOT,mfrey/RIOT,ant9000/RIOT,watr-li/RIOT,miri64/RIOT,biboc/RIOT,herrfz/RIOT,dkm/RIOT,OlegHahm/RIOT,Hyungsin/RIOT-OS,herrfz/RIOT,asanka-code/RIOT,mziegert/RIOT,RIOT-OS/RIOT,malosek/RIOT,wentaoshang/RIOT,roberthartung/RIOT,binarylemon/RIOT,kYc0o/RIOT,beurdouche/RIOT,attdona/RIOT,x3ro/RIOT,asanka-code/RIOT,rakendrathapa/RIOT,BytesGalore/RIOT,neumodisch/RIOT,basilfx/RIOT,rakendrathapa/RIOT,RubikonAlpha/RIOT,brettswann/RIOT,khhhh/RIOT,basilfx/RIOT,x3ro/RIOT,mziegert/RIOT,TobiasFredersdorf/RIOT,thomaseichinger/RIOT,dhruvvyas90/RIOT,mtausig/RIOT,lebrush/RIOT,kaleb-himes/RIOT,msolters/RIOT,josephnoir/RIOT,LudwigOrtmann/RIOT,attdona/RIOT,d00616/RIOT,avmelnikoff/RIOT,BytesGalore/RIOT,jasonatran/RIOT,katezilla/RIOT,ant9000/RIOT,dhruvvyas90/RIOT,attdona/RIOT,cladmi/RIOT