Implement nautilus extension 'svn log'.

Implement nautilus extension to pass 'svn log' command to qsvn.

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Implement qsvn log

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Fix nautilus extension memory leaks.

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
'svn log' now accepts relative paths.

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Use svn_client_log3 instead svn_client_log.

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>