Add levels
Change paddle image and bounds
Merge pull request #25 from onelight-studio/levels

Add levels
Add x2 bonus and live bonus +3
Merge branch 'dev' into bonus_x2

Conflicts:
	scene_game.lua
Improve difficulty
Fix merge dev
Bug fix
Merge pull request #26 from onelight-studio/levels

Improve difficulty
Merge
Add target score on game over screen
Drop different bonuses successively
Add sound for bonus items and level up
Add a finish screen after level 10
add scrollview in help screen
Add remove elements
change present 2 size
harmonize gift x2 size
Merge pull request #28 from onelight-studio/helpscreen_update

add scrollview in help screen
Merge branch 'dev' into design