[MIFOSX-1003] Failing test cases has been fixed
Merge pull request #825 from Vishwa1311/MIFOSX-1003

[MIFOSX-1003] All the failing test cases has been fixed
[MIFOSX-1026] JUnit Test Cases for Global Configuration

[MIFOSX-1026] JUnit Test Cases for Global Configuration
[MIFOSX-1035] JUnit Test Cases for Charges

[MIFOSX-1035] JUnit Test Cases for Charges
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
updating insert script for tenants table
Update README.md

and update links to community and demo app
Update README.md

and strike out the reference app link
Update CHANGELOG.md

for 1.21.0 RELEASE
bump up the release number to 1.21.0
Update README.md

with links to API docs
Update INSTALL.md

with instructions for those upgrading an existing Mifosx installation to version 1.21.* or higher
Update INSTALL.md

move reference to database updates to section  2.2.2
fix insert script for mifosplatform-tenants database
update the readme for community apps
fixing typos in install.md