* Build tor-design.{pdf,ps}, wich adds new build-dependencies: tetex-{bin,extra}, transfig, and gs.
* Support DEB_BUILD_OPTIONS option 'nodoc' to skip building tor-design. With nodoc the build will not need tetex-{bin,extra}, transfig, and gs.
* Support DEB_BUILD_OPTIONS option 'nocheck' to skip unittests ('notest' is an alias')
svn:r2170