FileStream

InputStream and OutputStream to operate Pictures

        Changes to be committed:
	new file:   1.jpg
	new file:   2.jpg
	new file:   fos.txt
	new file:   javaBiBasic/src/javaBiBasic/Day19/CopyPicture.java
	new file:   javaBiBasic/src/javaBiBasic/Day19/FileStream.java