Clarify that tests were run before the test step
Refactor extract_step as suggested by Kenneth Hoste
Added docstring for configure_step
This statement fits into 120 columns, no need to split it
Fixup for CMakeMake API change.

CMakeMake.configure_step() parameter 'builddir' was renamed to 'srcdir',
because the name 'builddir' is incorrect.  This parameter specifies the path to
the directory containing source files.
Document API change in release notes