original code and I revised it. I added a new constructor to Log.java
to simplify testing. The constructor accepts a File object for the
log file rather than a String name. The other revisions are cosmetic.
The following files were modified:
M src/edu/rice/cs/drjava/model/definitions/ColoringGlyphPainter.java
A src/edu/rice/cs/util/LogTest.java
M src/edu/rice/cs/util/Log.java
M src/edu/rice/cs/util/Pair.java