Still needs some improvements, but I committed them in their
original form, merged from r5004 into the latest trunk.
M src/edu/rice/cs/drjava/model/AbstractGlobalModel.java
M src/edu/rice/cs/drjava/config/OptionConstants.java
M src/edu/rice/cs/drjava/ui/MainFrame.java
AM src/edu/rice/cs/drjava/ui/NewJavaClassTest.java
M src/edu/rice/cs/drjava/ui/PreviewFrame.java
AM src/edu/rice/cs/drjava/ui/NewJavaClass.java
M src/edu/rice/cs/util/FileOps.java