redesigned program menu
applied mockup design to bottom bar
color values and dimensioning
all values taken from psd-file
little changes to dimensioning
pngs added and names changes
forgot some images
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity

Conflicts:
	catroid/res/layout/bottom_bar.xml
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity
png for button arrow added
text style normal
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity

Conflicts:
	catroid/res/values/styles.xml
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity

Conflicts:
	catroid/res/values/dimens.xml
button background changed to pngs
dimension corrections
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity
Merge remote-tracking branch 'origin/master' into ProgramMenuActivity

Conflicts:
	catroid/res/values/styles.xml
Merge pull request #196 from Catrobat/ProgramMenuActivity

Program menu activity redesigned