remove convert duplicate declaration, use convert.h
remove convert duplicate declaration, use convert.h

jewmanchue/vcflib,jewmanchue/vcflib,vcflib/vcflib,vcflib/vcflib,wzugang/vcflib,jewmanchue/vcflib,vcflib/vcflib,ashishjain1988/vcflib,ekg/vcflib,andersje/vcflib,ekg/vcflib,ashishjain1988/vcflib,glennhickey/vcflib,zhmz90/vcflib,alimanfoo/vcflib,glennhickey/vcflib,zeeev/vcflib,vcflib/vcflib,ashishjain1988/vcflib,ekg/vcflib,harshinamdar/vcflib,jewmanchue/vcflib,zhmz90/vcflib,zeeev/vcflib,wzugang/vcflib,ekg/vcflib,travc/vcflib,wzugang/vcflib,glennhickey/vcflib,harshinamdar/vcflib,ashishjain1988/vcflib,vcflib/vcflib,jewmanchue/vcflib,tomdcsmith/vcflib,harshinamdar/vcflib,zhmz90/vcflib,andersje/vcflib,jewmanchue/vcflib,hyphaltip/vcflib,hyphaltip/vcflib,travc/vcflib,zhmz90/vcflib,ashishjain1988/vcflib,harshinamdar/vcflib,wzugang/vcflib,wzugang/vcflib,hyphaltip/vcflib,zeeev/vcflib,zhmz90/vcflib,andersje/vcflib,harshinamdar/vcflib,zhmz90/vcflib,ekg/vcflib,vcflib/vcflib,ashishjain1988/vcflib,glennhickey/vcflib,alimanfoo/vcflib,travc/vcflib,glennhickey/vcflib,hyphaltip/vcflib,andersje/vcflib,zeeev/vcflib,andersje/vcflib,tomdcsmith/vcflib,andersje/vcflib,wzugang/vcflib,zeeev/vcflib,harshinamdar/vcflib,glennhickey/vcflib,alimanfoo/vcflib,alimanfoo/vcflib,vcflib/vcflib,alimanfoo/vcflib,hyphaltip/vcflib,zeeev/vcflib,hyphaltip/vcflib,alimanfoo/vcflib,tomdcsmith/vcflib,vcflib/vcflib