Rename postStatusMessage function

Change name of postStatusMessage function to better reflect the method it uses to perform the post status message functionality
Build an Async Task version of the post status message function

Create the function stub
Define a skeleton async task with no parameters and no return values
Create an instance of the yamba client object
Attempt to call the post status function (fails to build due to missing try/catch)
Add the try/catch clause on the post status invocation
Change the dump of the stack trace on exception from console output to log output
Add timing around the network call
Add log for how long the network activity took
Change invocation of post status message from background thread to async task
Change async task declaration to take a string parameter for the status message
Pass the status message the user has entered to the async task
Refactor async task code to make it cleaner by implementing as an inner class
Implement the doInBackground method by simply copying and pasting the code we already have for the async task
Change the invocation of the async task to use the inner class instead of anonymous class
Change the post status invocation to use our status message instead of a hard-coded string
Add method stub for functionality prior to the async task starting
Add log message to indicate that async task pre-execute is happened
Add in method stub for post execute of async task
Add call to super class in overridden post-execute method