Tags: teach git_tag_list not to include the 'refs/tags/' prefix
Tags: teach git_tag_list not to include the 'refs/tags/' prefix

Since quite a while now, git_branch_foreach has learnt to list branches
without the 'refs/heads/' or 'refs/remotes' prefixes.
This patch teaches git_tag_list to do the same for listing tags.

swisspol/DEMO-libgit2,yosefhackmon/libgit2,Snazz2001/libgit2,raybrad/libit2,joshtriplett/libgit2,yongthecoder/libgit2,oaastest/libgit2,Tousiph/Demo1,whoisj/libgit2,t0xicCode/libgit2,whoisj/libgit2,swisspol/DEMO-libgit2,rcorre/libgit2,mrksrm/Mingijura,falqas/libgit2,leoyanggit/libgit2,jflesch/libgit2-mariadb,mhp/libgit2,zodiac/libgit2.js,rcorre/libgit2,mcanthony/libgit2,JIghtuse/libgit2,mhp/libgit2,since2014/libgit2,jamieleecool/ptest,whoisj/libgit2,leoyanggit/libgit2,amyvmiwei/libgit2,KTXSoftware/libgit2,saurabhsuniljain/libgit2,magnus98/TEST,rcorre/libgit2,nokiddin/libgit2,MrHacky/libgit2,skabel/manguse,ardumont/libgit2,falqas/libgit2,maxiaoqian/libgit2,falqas/libgit2,kenprice/libgit2,oaastest/libgit2,stewid/libgit2,linquize/libgit2,zodiac/libgit2.js,sim0629/libgit2,joshtriplett/libgit2,joshtriplett/libgit2,ardumont/libgit2,kissthink/libgit2,nacho/libgit2,ardumont/libgit2,chiayolin/libgit2,mingyaaaa/libgit2,sygool/libgit2,yongthecoder/libgit2,evhan/libgit2,maxiaoqian/libgit2,nokiddin/libgit2,zodiac/libgit2.js,since2014/libgit2,sim0629/libgit2,since2014/libgit2,KTXSoftware/libgit2,kissthink/libgit2,joshtriplett/libgit2,Corillian/libgit2,mingyaaaa/libgit2,amyvmiwei/libgit2,nokiddin/libgit2,t0xicCode/libgit2,nokiddin/libgit2,jflesch/libgit2-mariadb,kissthink/libgit2,t0xicCode/libgit2,amyvmiwei/libgit2,claudelee/libgit2,evhan/libgit2,MrHacky/libgit2,jflesch/libgit2-mariadb,joshtriplett/libgit2,iankronquist/libgit2,sygool/libgit2,Snazz2001/libgit2,whoisj/libgit2,leoyanggit/libgit2,jflesch/libgit2-mariadb,claudelee/libgit2,kissthink/libgit2,magnus98/TEST,amyvmiwei/libgit2,chiayolin/libgit2,leoyanggit/libgit2,KTXSoftware/libgit2,nokiddin/libgit2,mrksrm/Mingijura,saurabhsuniljain/libgit2,oaastest/libgit2,mcanthony/libgit2,whoisj/libgit2,mcanthony/libgit2,Aorjoa/libgit2_maked_lib,swisspol/DEMO-libgit2,yongthecoder/libgit2,mhp/libgit2,mcanthony/libgit2,JIghtuse/libgit2,joshtriplett/libgit2,leoyanggit/libgit2,mingyaaaa/libgit2,ardumont/libgit2,jeffhostetler/public_libgit2,leoyanggit/libgit2,zodiac/libgit2.js,since2014/libgit2,dleehr/libgit2,yosefhackmon/libgit2,nacho/libgit2,Snazz2001/libgit2,dleehr/libgit2,oaastest/libgit2,spraints/libgit2,spraints/libgit2,MrHacky/libgit2,raybrad/libit2,Tousiph/Demo1,dleehr/libgit2,mingyaaaa/libgit2,sim0629/libgit2,mhp/libgit2,JIghtuse/libgit2,raybrad/libit2,saurabhsuniljain/libgit2,dleehr/libgit2,jamieleecool/ptest,chiayolin/libgit2,saurabhsuniljain/libgit2,mingyaaaa/libgit2,yosefhackmon/libgit2,swisspol/DEMO-libgit2,spraints/libgit2,magnus98/TEST,t0xicCode/libgit2,since2014/libgit2,falqas/libgit2,Aorjoa/libgit2_maked_lib,magnus98/TEST,sygool/libgit2,ardumont/libgit2,maxiaoqian/libgit2,maxiaoqian/libgit2,Corillian/libgit2,jflesch/libgit2-mariadb,iankronquist/libgit2,kissthink/libgit2,kenprice/libgit2,mrksrm/Mingijura,JIghtuse/libgit2,yosefhackmon/libgit2,sim0629/libgit2,Snazz2001/libgit2,chiayolin/libgit2,spraints/libgit2,kissthink/libgit2,sygool/libgit2,since2014/libgit2,JIghtuse/libgit2,swisspol/DEMO-libgit2,stewid/libgit2,swisspol/DEMO-libgit2,Tousiph/Demo1,yosefhackmon/libgit2,kenprice/libgit2,claudelee/libgit2,amyvmiwei/libgit2,mrksrm/Mingijura,iankronquist/libgit2,yosefhackmon/libgit2,sim0629/libgit2,raybrad/libit2,t0xicCode/libgit2,skabel/manguse,claudelee/libgit2,iankronquist/libgit2,nacho/libgit2,Corillian/libgit2,iankronquist/libgit2,mingyaaaa/libgit2,mhp/libgit2,rcorre/libgit2,jamieleecool/ptest,evhan/libgit2,jamieleecool/ptest,yongthecoder/libgit2,KTXSoftware/libgit2,evhan/libgit2,oaastest/libgit2,jeffhostetler/public_libgit2,magnus98/TEST,yongthecoder/libgit2,rcorre/libgit2,Tousiph/Demo1,spraints/libgit2,stewid/libgit2,kenprice/libgit2,kenprice/libgit2,sygool/libgit2,spraints/libgit2,magnus98/TEST,claudelee/libgit2,oaastest/libgit2,chiayolin/libgit2,mhp/libgit2,dleehr/libgit2,jeffhostetler/public_libgit2,jeffhostetler/public_libgit2,maxiaoqian/libgit2,zodiac/libgit2.js,saurabhsuniljain/libgit2,JIghtuse/libgit2,ardumont/libgit2,skabel/manguse,KTXSoftware/libgit2,t0xicCode/libgit2,Tousiph/Demo1,whoisj/libgit2,linquize/libgit2,skabel/manguse,mcanthony/libgit2,mcanthony/libgit2,Aorjoa/libgit2_maked_lib,jeffhostetler/public_libgit2,maxiaoqian/libgit2,Corillian/libgit2,Aorjoa/libgit2_maked_lib,jflesch/libgit2-mariadb,kenprice/libgit2,amyvmiwei/libgit2,MrHacky/libgit2,linquize/libgit2,yongthecoder/libgit2,mrksrm/Mingijura,skabel/manguse,dleehr/libgit2,iankronquist/libgit2,nacho/libgit2,Tousiph/Demo1,Corillian/libgit2,stewid/libgit2,skabel/manguse,linquize/libgit2,linquize/libgit2,sim0629/libgit2,raybrad/libit2,falqas/libgit2,Snazz2001/libgit2,KTXSoftware/libgit2,claudelee/libgit2,Corillian/libgit2,rcorre/libgit2,saurabhsuniljain/libgit2,MrHacky/libgit2,nokiddin/libgit2,stewid/libgit2,MrHacky/libgit2,linquize/libgit2,sygool/libgit2,Snazz2001/libgit2,jeffhostetler/public_libgit2,stewid/libgit2,Aorjoa/libgit2_maked_lib,mrksrm/Mingijura,falqas/libgit2,chiayolin/libgit2