Added a means of running a single-threaded builder, to make
breakpoints easier to set.  Converted yet another file from crlf to lf
line endings.
Merge branch 'master' of github.com:cloudcoderdotorg/CloudCoder
Builder now captures and displays the actual return value for Java,
Python and Ruby method calls.
Merge branch 'master' of github.com:cloudcoderdotorg/CloudCoder

Conflicts:
	CloudCoderBuilder2/.classpath
	CloudCoderBuilder2/src/org/cloudcoder/builder2/server/Builder2.java
updated release script