Build #51

Parameters
 BRANCH
The branch to build for your test. Examples: master 1.0.x 1.x
 JAVA_TOOL_OPTIONS
Default empty value is OK.

JAVA_TOOL_OPTIONS and _JAVA_OPTIONS are declared as workaround to override default environment variables.
This is only needed when java 7 is used.
See bug 547626 for details.
 _JAVA_OPTIONS
Default empty value is OK. (see above)