[MIFOSX-1026] JUnit Test Cases for Global Configuration

[MIFOSX-1026] JUnit Test Cases for Global Configuration
Merge pull request #826 from Vishwa1311/MIFOSX-1026_1

[MIFOSX-1026] JUnit Test Cases for Global Configuration
Merge pull request #827 from Vishwa1311/MIFOSX-1035

[MIFOSX-1035] JUnit Test Cases for Charges
[MIFOSX-1026] Failure test cases has been fixed
Update INSTALL.md

and remove references to deprecated Reference App
Merge pull request #828 from Vishwa1311/MIFOSX-1026-1

[MIFOSX-1026] Failure test cases has been fixed
[MIFOSX-1035] Updated Test Cases for Charges