webplugin setup suitable for jrebel (supports loading default.prop outside of directories being packaged)

gistfile1.scala

import sbt._
import Keys._
import com.github.siasia.WebPlugin._

lazy val web = Defaults.defaultSettings ++ webSettings ++ Seq(
    libraryDependencies ++= Seq(jetty, lift, logback),
    /* add a location for development only resources */
    jettyClasspaths <<= (jettyClasspaths, sourceDirectory).map((j, src) => j.copy(classpath = j.classpath +++ src / "development" / "resources")),
    /* don't scan - use jrebel */
    jettyScanDirs := Nil,
    /* serve resources directly from source tree when running locally */
    temporaryWarPath <<= (sourceDirectory in Compile)(_ / "webapp"),
    /* don't publish jar */
    publishArtifact in (Compile, packageBin) := false
    /* publish war */
  ) ++ addArtifact(artifact in (Compile, packageWar), packageWar)