Documenting the source of "lib/servlet-api"
Merge branch 'libs/servlet-api/fetch' into libs/servlet-api/upstream
adding servlet api (from tomcat)
Merge branch 'libs/servlet-api/fetch' into libs/jetty/fetch
add: Script for retrieving a recent version of Jetty
add: Make "getJetty.sh" cross-system (due to tipps by BenBE)

- removing absolute paths
- beautify
- complete
- test
- etc.
fix: Additional "stabilizations" to getJetty.sh
add: Documentation in README file
Merge branch 'libs/servlet-api/upstream' into libs/jetty/upstream
Merge branch 'libs/jetty/fetch' into libs/jetty/upstream
Importing Jetty from upstream tag jetty-9.2.1.v20140609

Imported packages:
* http
* io
* security
* server
* servlet
* util

Removed for compilance:
* Packages:
  - org.eclipse.jetty.server.session.jmx
  - org.eclipse.jetty.server.handler.jmx
  - org.eclipse.jetty.server.jmx
  - org.eclipse.jetty.servlet.jmx

* Classes:
  - org.eclipse.jetty.util.log.JettyAwareLogger
  - org.eclipse.jetty.util.log.Slf4jLog
  - org.eclipse.jetty.server.Slf4jRequestLog