Fixed distcheck build.
Fixed distcheck build.

`include/mesos/slave/containerizer.hpp` was removed from the makefile
in: https://reviews.apache.org/r/51263/

Review: https://reviews.apache.org/r/51347/

abudnik/mesos,verizonlabs/mesos,chhsia0/mesos,dforsyth/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,jpeach/mesos,yuquanshan/customizedMesos,kaysoky/mesos,chhsia0/mesos,andschwa/mesos,Gilbert88/mesos,verizonlabs/mesos,asamerh4/mesos,neilconway/mesos,craimbert/mesos,neilconway/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,andschwa/mesos,chhsia0/mesos,neilconway/mesos,verizonlabs/mesos,kaysoky/mesos,dforsyth/mesos,dforsyth/mesos,abudnik/mesos,dforsyth/mesos,gsantovena/mesos,abudnik/mesos,reneploetz/mesos,zmalik/mesos,dforsyth/mesos,jpeach/mesos,dforsyth/mesos,jpeach/mesos,gsantovena/mesos,jpeach/mesos,andschwa/mesos,abudnik/mesos,abudnik/mesos,asamerh4/mesos,andschwa/mesos,gsantovena/mesos,Aman-Jain-14/customizedMesos,andschwa/mesos,chhsia0/mesos,Gilbert88/mesos,reneploetz/mesos,Gilbert88/mesos,Gilbert88/mesos,Gilbert88/mesos,jpeach/mesos,yuquanshan/customizedMesos,gsantovena/mesos,chhsia0/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,verizonlabs/mesos,reneploetz/mesos,chhsia0/mesos,kaysoky/mesos,andschwa/mesos,yuquanshan/customizedMesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,kaysoky/mesos,gsantovena/mesos,asamerh4/mesos,zmalik/mesos,zmalik/mesos,reneploetz/mesos,abudnik/mesos,craimbert/mesos,craimbert/mesos,asamerh4/mesos,andschwa/mesos,kaysoky/mesos,craimbert/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,gsantovena/mesos,neilconway/mesos,asamerh4/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,jpeach/mesos,kaysoky/mesos,zmalik/mesos,Gilbert88/mesos,abudnik/mesos,Gilbert88/mesos,kaysoky/mesos,verizonlabs/mesos,zmalik/mesos,verizonlabs/mesos,neilconway/mesos,dforsyth/mesos,gsantovena/mesos,chhsia0/mesos,craimbert/mesos,reneploetz/mesos,craimbert/mesos,asamerh4/mesos,asamerh4/mesos,zmalik/mesos,yuquanshan/customizedMesos,zmalik/mesos