get la string de messages au lancement de la secondActivity et toast le dernier message envoyé
Merge branch 'master' of https://github.com/Kaiymu/JavaProject into TF_envoieMessage

Conflicts:
	premiereApplicationAndroid/bin/classes.dex
	premiereApplicationAndroid/bin/classes/com/example/premiereapplicationandroid/SecondActivity$PlaceholderFragment.class
	premiereApplicationAndroid/bin/classes/com/example/premiereapplicationandroid/SecondActivity.class
	premiereApplicationAndroid/bin/premiereApplicationAndroid.apk