TortoiseSVN 1.5.0

* Merge tracking (foundational)
* Sparse checkouts (via new --depth option)
* Interactive conflict resolution
* Changelist support
* Relative URLs, peg revisions in svn:externals
* Cyrus SASL support for ra_svn and svnserve
* Improved support for large deployments on FSFS, via sharding
* Improved FSFS optimizability, via immutable file isolation
* WebDAV transparent write-through proxy
* Improvements to copy and move
* Speed improvements, cancellation response improvements
* Easier to try experimental ra_serf DAV access module
* API changes, improvements, and much language bindings work
* More than 150 new bug fixes, enhancements