SecondActivityを追加
Merge branch 'master' of https://github.com/takashi-ichinose/GitSample2ichi

Conflicts:
	bin/classes/com/example/gitsample2ichi/R$layout.class
	bin/classes/com/example/gitsample2ichi/R$menu.class
	bin/classes/com/example/gitsample2ichi/R$string.class
	bin/classes/com/example/gitsample2ichi/R$style.class