added some basic layout stuff
changed css layout
some minor css fixes
layout finally fixed, time to work on contexts
added graph png
fixed submenu
sidebar context #43
context filtering now works, #43
context filter menu now works
now context filtering from statements is operational
corrected a minor bug for statement context filtering #43
all lists now toggles too #43
context filtering shows intersection, maybe make it that its an OR kind of comparison #43
initial ideas for the OR view of contexts #43
added double click context load #43
fixed incontext display #43
added OR context filtering #43
OR context selection added, resolved #43
finalized contextual filtering, resolved #43, resolved #29
now private context is shown by default