[studio] Fix issue with driver at system classloader (overloading those in selected driver JAR)
Update readme.md
[studio] Allow Studio to connection without password (fix #14)
[scala-macros] First `rmatch` macro:

```scala
import acolyte.macros.{ Xt, rmatch }

val res = rmatch {
  v match {
    case Xt(Extractor(param), extracted) => extracted
    case direct => direct // not refactored
  }
}
```