MuleSoft's XA transactions usecase

Signed-off-by: Mohan Bandaru <mohan@whiteskylabs.com>
Updated USAGE.MD file

Signed-off-by: Mohan Bandaru <mohan@whiteskylabs.com>
Updated USAGE.md file

Signed-off-by: Mohan Bandaru <mohan@whiteskylabs.com>
Updated USAGE.md file
Signed-off-by: Mohan Bandaru <mohan@whiteskylabs.com>
Merge branch 'master' of git@github.com:kalyanwsl/wsl-usecases.git into xa-transactions
Merge branch 'master' of git@github.com:kalyanwsl/wsl-usecases.git into xa-transactions
Merge pull request #4 from kalyanwsl/xa-transactions

Xa transactions