POSIX-compatible Install Script
POSIX-compatible Install Script

This patch updates the `install` script to be POSIX-compatible and thus
portable between systems using the shells sh, bash, dash, and other
POSIX-based shell environments.

ltouati/rexray,oppodeldoc/rexray,codedellemc/rexray,oppodeldoc/rexray,codedellemc/rexray,ltouati/rexray,akutz/rexray,cduchesne/rexray,codedellemc/rexray,oppodeldoc/rexray,cduchesne/rexray,clintonskitson/rexray,oppodeldoc/rexray,thecodeteam/rexray,cduchesne/rexray,thecodeteam/rexray,ltouati/rexray,emccode/rexray,cduchesne/rexray,oppodeldoc/rexray,thecodeteam/rexray,akutz/rexray,akutz/rexray,codedellemc/rexray,thecodeteam/rexray,cduchesne/rexray,akutz/rexray,clintonskitson/rexray,emccode/rexray,akutz/rexray,oppodeldoc/rexray,thecodeteam/rexray,codedellemc/rexray,emccode/rexray,clintonskitson/rexray,cduchesne/rexray,emccode/rexray,ltouati/rexray,akutz/rexray,thecodeteam/rexray,clintonskitson/rexray,codedellemc/rexray