add formhandler
change *RequireError to Errors
change errors key to name of formfield
Re-use http.Dir for file handling
Update README.md
Merge branch 'formhandler' of github.com:ioboi/martini into ioboi-formhandler
Fixing import paths
General cleanup of form handler
add buildtag to notify if go version < 1.1 #49
Update README.md
Updated readme for contrib package. Removed contrib packages
Update README.md
JMS #44: Implemented NotFound handling on Router
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update with 404 handler
enable serving index.html
Closing file. Added comment
Update README.md

Added demo video link
Allow handlers to return a status code
Don't use the first value as a status code if not an integer
fixed serving default `index.html`

See [net/http](http://golang.org/src/pkg/net/http/fs.go#L314)