ActionBar: Zurueckknopf verkleinert und duenne Trennlinie hinzugefuegt
Merge branch 'master' of https://github.com/wuggi/softwareengineering

Conflicts:
	Project/bin/SocialIntelligence.apk
	Project/bin/classes.dex
	Project/bin/classes/de/Psychologie/socialintelligence/PopPollActivity.class
	Project/bin/dexedLibs/android-actionbar-library-909989d89438570f13072722ceeb18b1.jar
	Project/bin/dexedLibs/library-05bbea75477f7efdb8e819ac7c001fe0.jar
	Project/bin/resources.ap_
	actionbar/bin/android-actionbar-library.jar