replaced execSync in util
replaced execSync; removed one stringformat
removed execSync from policy
execSync in paths not needed
removed string-format
removed execSync from site
updated local package jsons
removed execSync and string-format from nginx.ssl
removed execSync from pg.hba
removed execSync from pg.cluster
removed execSync and string-format from sys.report
removed execSync from sys.upgrade
removed execSync from xt.config; updated upgrade package
version bump
removed execSync from xt.database
removed execSync from xt.install
removed execSync dep from xt.test
removed execSync from xt.install spec