[split] Use specs for scala 2.9.2
[split] Use specs for scala 2.9.2

Eric Torreborre cut a specs for scala 2.9.2 release for us last Friday.

RB_ID=69307

BuoyantIO/twitter-util,BuoyantIO/twitter-util,tdyas/util,luciferous/util,hydro2k/util,folone/util,travisbrown/util,twitter/util,cogitate/twitter-util-uuid,hydro2k/util,nkhuyu/util,stremlenye/util,RUNDSP/util,stremlenye/util,BuoyantIO/twitter-util,nkhuyu/util,stremlenye/util,slackhappy/util,edombowsky/util,tenghuihua/util,cogitate/twitter-util-uuid,wuqiangxjtu/util,mosesn/util,travisbrown/util,luciferous/util,edombowsky/util,mosesn/util,twitter/util,wuqiangxjtu/util,Jiri-Kremser/util,wuqiangxjtu/util,luciferous/util,travisbrown/util,RUNDSP/util,travisbrown/util,LitmusHealth/twitter-utils,slackhappy/util,Jiri-Kremser/util,hydro2k/util,RUNDSP/util,tdyas/util,hydro2k/util,tenghuihua/util,nkhuyu/util,nkhuyu/util,folone/util,wuqiangxjtu/util,cogitate/twitter-util-uuid,LitmusHealth/twitter-utils,tdyas/util,stremlenye/util,BuoyantIO/twitter-util,slackhappy/util,Jiri-Kremser/util,edombowsky/util,slackhappy/util,folone/util,Jiri-Kremser/util,tdyas/util,folone/util,twitter/util,edombowsky/util,mosesn/util,tenghuihua/util,cogitate/twitter-util-uuid,tenghuihua/util,LitmusHealth/twitter-utils,luciferous/util,LitmusHealth/twitter-utils,RUNDSP/util