Revert "增加了一個Toast測試按鈕"

This reverts commit 83e7035208156e94b44ffc208dab15e0dad98356.

Conflicts:
	bin/classes/com/kulandev/raincafe/MainActivity$1.class
	bin/classes/com/kulandev/raincafe/MainActivity.class
	src/com/kulandev/raincafe/MainActivity.java