add screencap
#	modified:   .gitignore
#	new file:   jni/a.bmp
#	new file:   jni/blue.png
#	new file:   jni/green.png
#	new file:   jni/red.png
#	modified:   jni/test.bat
#	deleted:    jni/zz.png
#	new file:   screencap/Android.mk
#	new file:   screencap/push-to-phone.bat
#	new file:   screencap/screencap.cpp