replace react by yoyo

 - normalize hex

folder reorg + add tape (test framework)

align trace with geth trace

 - load EventManager as object

fix ascii char, memory panel
trace checker

Update README.md

Update README.md

There are some errors in the README.
Also I had to do a `npm install browserify` in order for the build to work .. Should I add it ?

[vmtrace] load storage async

Update README.md

Add travis config.