limited scores to maximum of 10 saved
added class Scores
added back button to score screen
added GoToScoresButton
added MODE_SCORES game mode
now possible to go to high score menu
better back button position
added method reinitComponents() to TowerDefense
GameComponents recalculate size when resolution is changed
changing resolution doesn't revert to starting menu
resolution options not unusable anymore after changing resolution once
added getHeight() to StaticText
changed getHeight() to getTextHeight()
added getActualHeight()
changed getWidth() to getWidth(at line)
added getWidth()

it returns the width of the line with the longets width
highscores now showed correctly
added resetScores() to TowerDefense
scores now reset when game is won or lost
Merge branch 'feature/issue/#48' into develop