Agent takes B flag for base directory - defaults to /var/vcap
Bootstrap takes directories provider to start eliminating VCAP_BASE_DIR deps
Add directories provider to blobstore provider and eliminate VCAP_ETC_DIR constant
Add directories provider to monit and remove VCAP_MONIT_JOBS_DIR constant
Remove unused constants from boshsettings
Add GetDirProvider to platforms
Pass directories provider through to heartbeat and eliminate VCAP_BASE_DIR constant