DrJava Legacy SVN Repository

compiler on Mac OS X; Oracle changed the organization of the
distribution file tree when it assumed reponsibility for Java releases
on Macs. These patches also support using JDK 8 (at least on Linux).
The commit also includes a slightly modified build file that includes
a new property binding to eliminate a plethora of test failures under
Java 7 using ant; this change was gleaned from searching the internet.
It is not clear what difference the new property binding makes.

The following files were modified:

M lib/plt.jar
M src/edu/rice/cs/drjava/model/JarJDKToolsLibrary.java
M src/edu/rice/cs/drjava/model/DefaultGlobalModel.java
M src/edu/rice/cs/drjava/model/DrJavaFileUtils.java
M src/edu/rice/cs/drjava/model/JDKToolsLibrary.java
M src/edu/rice/cs/drjava/model/compiler/CompilerInterface.java
M src/edu/rice/cs/drjava/DrJavaTestCase.java
M build.xml