oodarluz

Addition of global server disconnection banner

2

Added server connection service to ping end and display banner on threshold. Paired with xhAppServerHealth config property. Hoist P/R Checklist ------------------- **Pull request authors:** Review and check off the below....

Using method:'POST' in XH.fetchJson causes the Content-Type header to be hijacked by the **withDefaultsAsync** function which replaces it with 'application/x-www-form-urlencoded'. Whereas, the XH.fetchService.postJson() sets the Content-Type to 'application/json'. Overriding the...