new support for float printf
merge
merge
Fixed point skeleton
Clean up emulator.h a bit
Fix broken test
Make Vec fromBits/toBits undo each other

Before, Vec.fromBits(Vec.toBits) reversed the Vec.
Actually make Vec fromBits/toBits undo each other

Only verified for a Vec of Bools
merge floats in so usable through tester
fix width float printing
merge
adjust float printf widths
add asin, acos, atan
2014 bootcamp on dsp
add Num trait
Merge branch 'master' of https://github.com/ucb-bar/chisel
Force matching widths of ROM inputs
Use initial blocks for FPGA ROMs, but always @(*) for generic Verilog
Merge pull request #117 from schoeberl/master

doc: fix Scala/Chisel version in getting started
Fixes #128