Fixed order in TermsAgg to be compliant with ES 1.2.x.
Fixed order in TermsAgg to be compliant with ES 1.2.x.

mavarick/pyes,mavarick/pyes,haiwen/pyes,Fiedzia/pyes,haiwen/pyes,haiwen/pyes,Fiedzia/pyes,Fiedzia/pyes,HackLinux/pyes,aparo/pyes,aparo/pyes,jayzeng/pyes,jayzeng/pyes,HackLinux/pyes,aparo/pyes,jayzeng/pyes,HackLinux/pyes,mavarick/pyes