Fixed file permissions.

- Added an initial sitecopy --update --keep-going to ensure that standalone ...

files in the deployment directory are uploaded too.

- Corrected paper-period argument to period-code.

- Added a sitecopy --catchup before deployment to synchronise with changes by ...

other users (hopefully!).

- Fixed a subtle bug that forced files in subdirectories to always be deployed.

- Added basename to miscellaneous utilities.

- Argh, forgot to change the name of the NOSYNC variable!

- Changed "Installing" to "Deploying".

- Added NOSYNC switch to disable Blackboard synchronisation as necessary.

- Corrected deployment message.

- Updated debug target with new variables.

- Fixed typo.

- Switched to new deployment scheme using shared folder.

- Switched to new deployment approach (shared folder on server).

- Fixed installation of web images.

- Fixed buggy calls to convert_normal function. ...

- Removed superfluous backquotes from function bodies.

- Fixed incorrect install test.

- Switched to Blackboard deployment method.

- Enforced appropriate prerequisites for install targets.

- Added lecture recording (MP3 only) to INSTALL_FILES.

- Altered the install directory for lectures so that each lecture ends up in ...

its own subdirectory.

- Fixed install target for handbook root (non-section) files.

- Revamped install targets (getting closer).

- Switched to new Blackboard deployment method (preliminary, may be buggy).

- Added sitecopy.

- Added ln -s detection.

- Corrected a comment.

- Added xml2xhtml and xml2xelatex stylesheets to global prerequisites.

- Refactored rules for converting bitmap images to support multiple prerequisite ...

file types.
- Added rules for zoomed PNGs for use when drop shadows cause the SVG to PDF
  conversion to freak out.

- Added XCF to PNG conversion.