Started work on a simple shake challenge
Added challenge to factory and enum
Added licence and Javadoc
Got TextToSpeech working.
Merge branch 'development' into shake-challenge

Conflicts:
	application/src/se/chalmers/dat255/sleepfighter/challenge/ChallengeFactory.java
	application/src/se/chalmers/dat255/sleepfighter/model/challenge/ChallengeType.java
Now it reads out the current time.
Now the best language is configured for TTS.
Configured pitch and speechrate for tts.
Wrote code for converting times to human strings(eg. converts the time 10:30 to
"half past ten")
Now it reads out the current time by speech.
Start to implement flashlight
onStop()-method to release the camera
Added permission (camera) in Manifest
Add flashlight button
Imported contents and connects the button
Camera parameter and setOnClickListener to button
LogCat-info and setting button text
Setting context and packagemanager
Searching for camera + LogCat-error
Toast to see if it works when no camera detected