Merge pull request #4 from csci477-team4/trainee_list

Trainee List works with Trainer API, also added APIHandler for  HTTP requests
LoginActivityTest

added LoginActivityTest
fixed the reload thing
Merge branch 'master' into marc
Merge branch 'master' of github.com:csci477-team4/pearsports-android
Merge branch 'master' of https://github.com/csci477-team4/pearsports-android
redesigned splash screen and login
updated APIHandler requests to return JSONObject instead of String
Merge branch 'master' of github.com:csci477-team4/pearsports-android
changed location of tests
Merge pull request #5 from csci477-team4/redesign

redesigned splash screen and login
Added Text, Audio, Workout buttons in TraineeDetail. TODO: Right now they launch MainActivity and SplashScreenActivity - change when John pushes his messaging activities. Also added more layout stuff to fragment_trainee_detail.xml