Fix for rbt post command hangs issue ,while posting the review request on clearcase branch

Review Request #9069 — Created July 11, 2017 and discarded — Latest diff uploaded

Information

RBTools
master

Reviewers

While posting review request from rbtools on clearcase branch , rbt post command hangs for infinite time , So changes made on file 'rbtools/utils/process.py' : used p.communiacte() instead of p.stdout.readline().