HTRACE-28: add license to index.html (cmccabe)
HTRACE-28: add license to index.html (cmccabe)

reta/incubator-htrace,apache/incubator-htrace,madrob/incubator-htrace,clehene/incubator-htrace,apache/incubator-htrace,apache/incubator-htrace,reta/incubator-htrace,apache/incubator-htrace,madrob/incubator-htrace,clehene/incubator-htrace,apache/incubator-htrace,clehene/incubator-htrace,clehene/incubator-htrace,apache/incubator-htrace,madrob/incubator-htrace,reta/incubator-htrace,reta/incubator-htrace,apache/incubator-htrace,reta/incubator-htrace,clehene/incubator-htrace,madrob/incubator-htrace,madrob/incubator-htrace,clehene/incubator-htrace,madrob/incubator-htrace,reta/incubator-htrace,apache/incubator-htrace,madrob/incubator-htrace,reta/incubator-htrace,clehene/incubator-htrace