Preparing a commit with android 19 target and removing temporary files which cause merge issues.

Conflicts:
	bin/CodelearnTwitterApp.apk
	bin/classes.dex
	bin/classes/org/codelearn/twitter/R$drawable.class
	bin/classes/org/codelearn/twitter/R$id.class
	bin/classes/org/codelearn/twitter/R$layout.class
	bin/classes/org/codelearn/twitter/R$menu.class
	bin/classes/org/codelearn/twitter/R$string.class
	bin/classes/org/codelearn/twitter/R$style.class
	bin/classes/org/codelearn/twitter/TweetListActivity.class
	bin/resources.ap_