Configure servers as a syntactically sugared attribute map.
Fix sbt revolver re-start main class in examples
Revert server config to builders, but immutable this time.
I missed a Blaze snapshot breakage.
Fix IllegalAccessException in delayed init of logger in example.
An Unfiltered-inspired port binding API.
Rename executor to serviceExecutor for clarity on what it does.
Merge branch 'release-0.4' into topic/server-config

Conflicts:
	blaze-server/src/main/scala/org/http4s/server/blaze/BlazeServer.scala
Move org.http4s.{jetty,tomcat} into server, for consistency with blaze.
Bump blaze version. Update CHANGELOG.md
Server builders have type members, bind methods, true companions.
Add awaitShutdown method to server.
Bring back support for mounting raw servlets in Jetty and Tomcat.
ServerBuilder example cleanups and documentation.
Merge pull request #71 from http4s/topic/server-config

Configure servers as a syntactically sugared attribute map.
Update release notes.

Conflicts:
	CHANGELOG.md
Move ServerBuilder to ServerBuilder.scala.
Use proper defaults in TomcatBuilder.
Release v0.4.0.
Link to 0.5.x Scaladoc.