* Fixed Boost.Thread jamfile to add the missing #include paths

* Modified Python testing code to use the facilities of testing.jam,
  so that it can be processed with process_jam_log

* Updated Python library tests to use a test suite

* Added Python test suite to status/Jamfile

* Added --run-all-tests option to force tests to run even when up-to-date.


Also,
boost-base.jam:

    Added some missing rule signatures

    RUN_LD_LIBRARY_PATH became LINK_LIBPATH because it was only really
    used during linking.

    Reformed the movement of path variables up the dependency graph

    Removed the defunct Run rule

    Set up generalized constants for path manipulation

darwin-tools.jam, gcc-tools.jam:

   use LINK_LIBPATH

python.jam:

   Reformed the choice of Python executable

testing.jam:

   Refactored testing code so it could be used for Python

   Now building all environment variable setup code ahead of time

   RUN_TEST became TEST_EXE


[SVN r20815]

libs/python

@@ -1 +1 @@
-Subproject commit 7b9bba319009c075a42924a852733320cfe35599
+Subproject commit a68db84df6dc74084c1ef018877637be55ecd846

libs/thread

@@ -1 +1 @@
-Subproject commit 49356cc9319e767b1bfc6ea3d31d15eb1a8c322f
+Subproject commit 0c74dbd4363985b1278f418eda3b3c0e89a1bac7

status/Jamfile

@@ -26,6 +26,7 @@ subinclude libs/iterator/test ;          # test-suite iterator
 subinclude libs/math/test ;              # test-suite math
 subinclude libs/numeric/interval/test ;  # test-suite interval
 subinclude libs/optional/test ;          # test-suite optional
+subinclude libs/python/test ;            # test-suite python
 subinclude libs/random/test ;            # test-suite random
 subinclude libs/regex/test ;             # test-suite regex
 subinclude libs/regex/example ;          # test-suite regex-examples

tools/build

@@ -1 +1 @@
-Subproject commit e845d377b59387519772f27cf8b4a44da174b7cf
+Subproject commit 21c7471c3ab7dcbb62d51ea5e0f0fc0849853b12