cleaning up the .activate and Buildfile

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>
test ts and tw in .vimrc

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>
fixed bug in soot

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>
added html flag to dotty

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>
worked on extending slicer to both directioons

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>
Added UnitBlockGraph to experiment with PDGs at the unit level

Signed-off-by: Tim Henderson <tim.tadh@gmail.com>