Update svk to 0.17 which is a faster version, from CHANGES:
[Changes for 0.17 - 17 Jul, 2004]
* Optimize checkout_delta with mtime/inode/size signatures.
* Implement smerge -I for incremental merging.
* Make smerge -lm <msg> do what you mean.
* When using external merge tools, give local, base, new and merged
tmpfiles sane names. [Autrijus]
* Improve documentation.
* Fix cb_rev when commiting to just-moved files in mirrored path.
* Cleanup SVK::Merge and others.