matplotlib Code

Major updates to workbook.

- Made the basemap figures smaller (they were too big and made the
compilation really slow).

- Changed the ratner figure from png to jpb (saved 90% in size)

- Removed all lyx files, we're now using pure latex.

- Added scripts for various useful tasks.

fix typo

Commits to continue the merged book.

update basemap examples for version 0.9.8

remove spurious pagebreak

add 'Plotting on Maps' chapter