Added build instructions for Mac OS X Mavericks.
Added build instructions for Mac OS X Mavericks.

From: Niklas Nielsen <9f210bbd62dc30b7ba6fb21f85df5244526c4049@qni.dk>
Review: https://reviews.apache.org/r/15727

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