relax SVN archive

Backported the relax 3.3.0 CHANGES file changes to trunk.

The command used was:
svn merge -r25634:25635 svn+ssh://bugman@.../svn/relax/tags/3.3.0 .

Updated the CHANGES file with the recent Python 3 fixes.

Ported r25633 from the 3.3.0 tag.

The command used was:
svn merge -r25632:25633 svn+ssh://bugman@.../svn/relax/tags/3.3.0 .

.....
r25633 | bugman | 2014-09-04 16:40:11 +0200 (Thu, 04 Sep 2014) | 6 lines
Changed paths:
M /tags/3.3.0/dep_check.py

Python 3 fix.

The cmp(v1, v2) notation in the dep_check.version_comparison() function has been replaced with
(v1 > v2) - (v1 < v2). This allows relax to run on Python 3.
.....

Python 3 fix.

The cmp(v1, v2) notation in the dep_check.version_comparison() function has been replaced with
(v1 > v2) - (v1 < v2). This allows relax to run on Python 3.

Ported r25630 from the 3.3.0 tag.

The command used was:
svn merge -r25629:25630 svn+ssh://bugman@.../svn/relax/tags/3.3.0 .

.....
r25630 | bugman | 2014-09-04 16:33:24 +0200 (Thu, 04 Sep 2014) | 7 lines
Changed paths:
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors.py
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors_analyse.py
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors_analyse_relax.py

Python 2 vs. 3 compatibility fix for the pickle module.

This is for the estimate_errors*.py scripts in the directory
test_suite/shared_data/curve_fitting/numeric_topology/. The lib.compat.pickle module is now used to
allow both Python versions to run relax.
.....

Ported r25629 from the 3.3.0 tag.

The command used was:
svn merge -r25628:25629 svn+ssh://bugman@.../svn/relax/tags/3.3.0 .

.....
r25629 | bugman | 2014-09-04 16:31:00 +0200 (Thu, 04 Sep 2014) | 6 lines
Changed paths:
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors.py
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors_analyse.py
M /tags/3.3.0/test_suite/shared_data/curve_fitting/numeric_topology/estimate_errors_analyse_relax.py
M /tags/3.3.0/test_suite/system_tests/relax_disp.py

Python 3 fixes via the 2to3 compatibility script.

The command used was:
2to3 -w -f except -f import -f imports -f long -f numliterals -f xrange .
.....

Python 2 vs. 3 compatibility fix for the pickle module.

This is for the estimate_errors*.py scripts in the directory
test_suite/shared_data/curve_fitting/numeric_topology/. The lib.compat.pickle module is now used to
allow both Python versions to run relax.

Python 3 fixes via the 2to3 compatibility script.

The command used was:
2to3 -w -f except -f import -f imports -f long -f numliterals -f xrange .

Ported r25627 from the 3.3.0 tag.

The command used was:
svn merge -r25626:25627 svn+ssh://bugman@.../svn/relax/tags/3.3.0 .

.....
Python 3 fixes via the 2to3 compatibility script.

The command used was:
2to3 -w -f buffer -f idioms -f set_literal -f ws_comma -x except -x import -x imports -x long -x numliterals -x xrange .
.....

Python 3 fixes via the 2to3 compatibility script.

The command used was:
2to3 -w -f buffer -f idioms -f set_literal -f ws_comma -x except -x import -x imports -x long -x numliterals -x xrange .