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).
Moved planning/milestones/ under planning/timeline/
Added planning/milestones/_archive/BIEN3 Milestones and Development Timeline_MLN2.*
Added planning/milestones/_archive/BIEN3_milestones.2011-12-13.doc