Test improvement + added close test
Merge pull request #7 from Astro03/master

Implement Context Endpoints
Added ByIosUIAutomation selector
Added ByAndroidUIAutomator strategy
Added by accessibility id strategy
added context tests
Added KeyEvent
Added rotate + AppiumWebElement
Added GetCurrentActivity
Added InstallApp
Added RemoveApp
Added IsAppInstalled
Added PushFile
Added PullFile
Added ToggleWifi
Added ToggleLocationServices
Added LaunchApp
Added CloseApp
Added ResetApp
Added BackgroundApp