Version Control With Subversion Source

* tools/make-ad-sense.py
(adsense_left_data): Was adsense_data.
(adsense_bottom_data): New.
(adsense_css): Rename #adsense to #adsense_left, and add #adsense_bottom.
(add_adsense_left_html): Was add_adsense_html().
(add_adsense_bottom_html): New.
(main): Swallow exceptions from the adsense adder functions (for now).