add file edits and changes

...

 On branch rz-4.2-test
 Changes to be committed:
	modified:   config/common.mk
	new file:   tools/colors
	deleted:    tools/functions
	new file:   tools/getdate
	new file:   tools/java/README
	new file:   tools/java/TabsToWhitespace.java
	modified:   tools/opticharger
	modified:   tools/squisher