Update INSTALL-OSX.md
Update INSTALL-OSX.md

Edited out the title for RTD nesting purposes and emphasized the Mac OS X Mavericks in the first line.
adderall/api,projectjellyfish/api,sreekantch/JellyFish,adderall/api,AllenBW/api,sonejah21/api,boozallen/projectjellyfish,dcallner/project-jellyfish-api,mafernando/api,sreekantch/JellyFish,projectjellyfish/api,dcallner/project-jellyfish-api,sreekantch/JellyFish,projectjellyfish/api,stackus/api,mafernando/api,sonejah21/api,AllenBW/api,stackus/api,sonejah21/api,dcallner/project-jellyfish-api,stackus/api,boozallen/projectjellyfish,mafernando/api,AllenBW/api,boozallen/projectjellyfish,adderall/api,boozallen/projectjellyfish