local tests use ephemeral ports
enabled ephemeral port support for local tachyon cluster
refactorying master port to be immutable, and fixed a few unneeded things
removed dead code
making ports immutable
documentation
merged with master
removed unneeded imports
Merge branch 'master' into ephemeral-data-port
merged with master
fixed merge issue.  updated thrift for secondary port
finished merge with master
Merge branch 'master' into ephemeral-data-port
Merge branch 'master' into ephemeral-data-port
Merge branch 'master' into ephemeral-data-port
check dns to keep with master logit
updated from review
Merge branch 'master' into ephemeral-data-port
feedback
feedback