Try just doing installApp during build

Change-Id: I74e1a2e33d5f742445294a666da37607a61f6258
Version thrift, add dependencies, use dh python-support

Change-Id: I9442c8a75fa2ec59de2116ca215babc25fee060a
Add pants.ini overrides to cache large downloads

Change-Id: I86d75ae4f137d49f4306b8c568971ba17e7f8c73
Help pants find mesos.native by itself

Change-Id: I56dc410ff28140edacb9f9b7c714c4c5dd7e5c55