relax SVN archive

The unit_test_runner.py script now defaults to verbose mode.

Fixes and improvements to Gary Thompson's unit_test_runner.py script.

The printouts have been improved and the script can now handle more than 3 levels of directories for
a package.

Fixes and expansion of the test_suite.unit_tests._lib package __all__ list.

More cleanups of unused imports throughout relax.

Merged revisions 20146-20148 via svnmerge from
svn+ssh://bugman@.../svn/relax/trunk

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r20146 | bugman | 2013-06-16 14:31:51 +0200 (Sun, 16 Jun 2013) | 3 lines

Improvements to the devel_scripts/find_unused_imports.py script.
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r20147 | bugman | 2013-06-16 14:35:38 +0200 (Sun, 16 Jun 2013) | 3 lines

More cleanups of unused imports throughout relax.
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r20148 | bugman | 2013-06-16 14:50:12 +0200 (Sun, 16 Jun 2013) | 3 lines

Fixes for how the devel_scripts/find_unused_imports.py script runs pylint.
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Fixes for how the devel_scripts/find_unused_imports.py script runs pylint.

More cleanups of unused imports throughout relax.

Improvements to the devel_scripts/find_unused_imports.py script.

Merged revisions 20142-20144 via svnmerge from
svn+ssh://bugman@.../svn/relax/trunk

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r20142 | bugman | 2013-06-16 11:42:25 +0200 (Sun, 16 Jun 2013) | 3 lines

Created a script to look through the entire relax source tree for unused imports.
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r20143 | bugman | 2013-06-16 13:34:41 +0200 (Sun, 16 Jun 2013) | 5 lines

Removed a large amount of unused imports throughout the relax code base.

These were identified by the new ./devel_scripts/find_unused_imports.py script together with pylint.
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r20144 | bugman | 2013-06-16 13:36:37 +0200 (Sun, 16 Jun 2013) | 3 lines

Fixes for the pipe_control.rdc module for when the structure cdp.rdc_data_types is missing.
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Fixes for the pipe_control.rdc module for when the structure cdp.rdc_data_types is missing.