DrJava Legacy SVN Repository

https://sourceforge.net/tracker2/index.php?func=detail&aid=2484223&group_id=44253&atid=438935

The JDK6 compiler adapter was created and returned available even
if tools.jar was not found. In revision 4674, a test for the class
com.sun.tools.javac.main.JavaCompiler was removed, but this test
is essential for finding out whether the compiler (in the tools.jar)
file is available.

M platform/src-jdk6/edu/rice/cs/drjava/model/compiler/Javac160Compiler.java
M platform/classes/base-jdk6/edu/rice/cs/drjava/model/compiler/Javac160Compiler$1.class
M platform/classes/base-jdk6/edu/rice/cs/drjava/model/compiler/Javac160Compiler$CompilerErrorListener.class
M platform/classes/base-jdk6/edu/rice/cs/drjava/model/compiler/Javac160Compiler.class
M drjava/lib/platform.jar