Created folder remotely

[SVN r38900]
Create branch

[SVN r38904]
made a copy

[SVN r38906]
Add current_path() setter, !#800, change form of some includes in response to bug report !#600

[SVN r38912]
Add recursive_directory_iterator test cases to convenience_test.cpp, fix !#1061 plus a pop() bug detected by new tests

[SVN r38978]
Fix !#1073. Also reinstate changes from two prior versions dropped inadvertently by revision 35823.

[SVN r39002]
Get rid of non_posix_equivalent, fix Jamfiles, fix Linux typos, refactor so basic_filesystem_error::what() works on compilers that screw up member specializations 

[SVN r39133]