Added some missing .gitignore in manual/
suppressing semi-colon at the end of dot files
Merge pull request #43 from Martoni/master

suppressing semi-colon at the end of dot files
manual/presentation.tex: bg option is unknown with beamer 3.3 in beamercolorbox
Merge branch 'master' of https://github.com/Martoni/yosys
Added $_DFFE_??_ cell types
Added $dffe cell type
Added more documentation fixmes for nontrivial register cells
Added skeleton dff2dffe pass
Added module->addDffe() and module->addDffeGate()
Added bool constructors to SigBit and SigSpec
Added functionality to dff2dffe pass
Fixed supply0/supply1 with many wires
Compile fix for visual studio
Added IdString::destruct_guard hack
Added missing prerequisites to README
Removed UTF-8 chars from techmap.v
Added psmisc to prerequisites
Removed psmisc from deps list (usually fuser is already installed and the package name for it varies)
Added "blif -unbuf" feature