* Redefined the theindex environment to reflect the design of Tufte's index.
* Defined the \paragraph command to print the paragraph heading inline in italics followed by an em space.
* Copied documentation from the sample handout to the sample book.
git-svn-id: https://tufte-latex.googlecode.com/svn/trunk@95 516e2f36-ce3a-0410-bea4-1d4a03f5df72
* Added `symmetric' option which sets sidenotes in the outside margin of
the page.
* Tries to use the Bera Mono font for \tt text, if available.
* Added a \printclassoptions command that prints a list of the class
options and their current status (set or unset).
git-svn-id: https://tufte-latex.googlecode.com/svn/trunk@52 516e2f36-ce3a-0410-bea4-1d4a03f5df72