Catch error when selecting a single sha
Catch error when selecting a single sha

Gitorious.ShaSpec now parses a sha spec containing either a single or several shas without
raising JS errors when only one sha exists

ericbutters/eric-gitorious,Gitorious-backup/base_uri-fixes,vymiheev/Gitorious-OpenStack,ericbutters/eric-gitorious,altrair/gitorious-openstack,Gitorious-backup/yousource,water/mainline,crazycode/gitorious,grjones/gitorious-submodule-dependencies,altrair/gitorious-openstack,spencerwp/mainline,Gitorious-backup/mainline,njall/wel-gitorious,Gitorious-backup/franklin-devs-phpbbhub,feniix/gitorious,cynipe/gitorious,Gitorious-backup/yousource-features,cynipe/gitorious,vymiheev/Gitorious-OpenStack,SamuelMoraesF/Gitorious,spencerwp/mainline,gitorious/mainline,Gitorious-backup/vsr-mainline,elcom/gitorious,balcom/gitorious,Gitorious-backup/yousource-features,grjones/gitorious-submodule-dependencies,tigefa4u/gitorious-mainline,crazycode/gitorious,adg29/asi.gitorious,deld/gitorious,njall/wel-gitorious,gnufied/gitorious,grjones/gitorious-submodule-dependencies,Gitorious-backup/yousource,crazycode/gitorious,cynipe/gitorious,Gitorious-backup/yousource-features,victori/gitorious-jruby,Gitorious-backup/yousource,Gitorious-backup/yousource,gnufied/gitorious,Gitorious-backup/vsr-mainline,spencerwp/mainline,gnufied/gitorious,altrair/gitorious-openstack,SamuelMoraesF/Gitorious,feniix/gitorious,Gitorious-backup/vsr-mainline,water/mainline,SamuelMoraesF/Gitorious,Gitorious-backup/franklin-devs-phpbbhub,elcom/gitorious,Gitorious-backup/base_uri-fixes,adg29/asi.gitorious,vymiheev/Gitorious-OpenStack,Gitorious-backup/vsr-mainline,rae/gitorious-mainline,Gitorious-backup/mainline,water/mainline,gitorious/mainline,adg29/asi.gitorious,tigefa4u/gitorious-mainline,deld/gitorious,Gitorious-backup/base_uri-fixes,Gitorious-backup/base_uri-fixes,rae/gitorious-mainline,balcom/gitorious,Gitorious-backup/yousource-features,gitorious/mainline,adg29/asi.gitorious,Gitorious-backup/mainline,ericbutters/eric-gitorious,rae/gitorious-mainline,feniix/gitorious,elcom/gitorious,victori/gitorious-jruby,Gitorious-backup/mainline,balcom/gitorious,tigefa4u/gitorious-mainline,SamuelMoraesF/Gitorious,spencerwp/mainline,deld/gitorious,elcom/gitorious,tigefa4u/gitorious-mainline,Gitorious-backup/franklin-devs-phpbbhub,Gitorious-backup/franklin-devs-phpbbhub,victori/gitorious-jruby,gitorious/mainline,njall/wel-gitorious,rae/gitorious-mainline