first version of MainMenuActivity Design

* add icons
* correct padding left and right
* correct colors
refactor to remove lint warnings

* remove unused dimens
* remove unused colors
add color to program in continue button
Merge branch 'master' into MainMenuActivityLayoutFinetuning
Merge branch 'master' into MainMenuActivityLayoutFinetuning
refactoring MainMenuActivity

* remove teststyle bold
* remove background pattern
blue background in script fragment
Merge remote-tracking branch 'origin/MainMenuActivityLayoutFinetuning'
into PresentationVersion

Conflicts:
	catroid/res/values/dimens.xml
close icon changed