Bump to Lucene 5.2.1

Luca Milanesio

2015-09-09 e618eb051246e7941dc2964a5038587c9d45d1d2

1
PR.registerLangHandler(PR.sourceDecorator({keywords:"bytes,default,double,enum,extend,extensions,false,group,import,max,message,option,optional,package,repeated,required,returns,rpc,service,syntax,to,true",types:/^(bool|(double|s?fixed|[su]?int)(32|64)|float|string)\b/,cStyleComments:!0}),["proto"]);