Fixes #1196 Allow user to override settings for software components
Fixes #1196 Allow user to override settings for software components

User can provide multiple -override options to change default settings for
any software components.

Signed-off-by: Sridhar Meda <4c7fcba0a8a1e8d26ffef9db12f8e0218c968927@lexisnexis.com>

afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform