moved everything into /trunk/ to create the standard svn layout, for use with tools that require this (eg. git-svn). IMPORTANT: do NOT do an `svn up`. instead, re-use your working copy's existing files with `svn switch` (http://svnbook.red-bean.com/en/1.6/svn.ref.svn.c.switch.html).
Added planning/goals/BIEN_Science_2011.pptx.url, BIEN-Tech-Oct2011.ppt.url, Enquist_BIEN_Overview_2011.pptx