Questions game fully functional

- Different limit questions for each category
- 3 tries for each question whit different puntuations
- Score board
- TTS in questions and answers
- Right and wrong answer dialog
- Final score dialog
- Background new music and effect sounds

BUGS:
- The application breaks when you answer the first question only the
first time
- Background music doesn’t stop when the application is on background
Merge branch 'master' of https://github.com/Marcin-Radecki/ChildApp

Conflicts:
	bin/ChildApp.apk
	bin/classes.dex
	bin/classes/com/example/childapp/CategoriesActivity$1.class
	bin/classes/com/example/childapp/CategoriesActivity$2.class
	bin/classes/com/example/childapp/CategoriesActivity$3.class
	bin/classes/com/example/childapp/CategoriesActivity$4.class
	bin/classes/com/example/childapp/CategoriesActivity$5.class
	bin/classes/com/example/childapp/CategoriesActivity$6.class
	bin/classes/com/example/childapp/CategoriesActivity.class
	bin/classes/com/example/childapp/FirstActivity$4.class
	bin/classes/com/example/childapp/FirstActivity$5.class
	bin/classes/com/example/childapp/FirstActivity.class
	bin/classes/com/example/childapp/QuestionsActivity$1.class
	bin/classes/com/example/childapp/QuestionsActivity$2.class
	bin/classes/com/example/childapp/QuestionsActivity$3.class
	bin/classes/com/example/childapp/QuestionsActivity$4.class
	bin/classes/com/example/childapp/QuestionsActivity.class
	bin/classes/com/example/db/AnswersTable.class
	bin/classes/com/example/db/DAO.class
	bin/classes/com/example/db/QuestionsTable.class
	bin/classes/com/example/db/Table.class
	bin/classes/com/example/db/UsersTable.class
	bin/classes/com/example/entity/QuestionEntity.class
	bin/resources.ap_
	src/com/example/childapp/CategoriesActivity.java
	src/com/example/childapp/FirstActivity.java
	src/com/example/childapp/QuestionsActivity.java
	src/com/example/db/AnswersTable.java
	src/com/example/db/SQLiteHelper.java
	src/com/example/entity/AnswerEntity.java
	src/com/example/entity/QuestionEntity.java