adding more directories to search for the Scala compiler.
The following files were modified:
M platform/classes/base-scala/edu/rice/cs/drjava/model/compiler/descriptors/ScalaDescriptor.class
M platform/classes/base-scala/edu/rice/cs/drjava/model/compiler/ScalaCompiler.class
M platform/classes/base-scala/edu/rice/cs/drjava/model/compiler/ScalaCompiler$1.class
M platform/src-scala/edu/rice/cs/drjava/model/compiler/descriptors/ScalaDescriptor.java
M platform/src-scala/edu/rice/cs/drjava/model/compiler/ScalaCompiler.java