Added SelfInjectingServerResource and module

SelfInjectingServerResource is an alternative to
FinderFactory/RestletGuice.

Also added some JUnit tests.
Add README for Guice extension
Add links to blog entries on injection approaches
Provide links in README.md to classes involved
Update incubator/org.restlet.ext.guice/README.md
 - Clarified null application cases.
Added method shorcuts for redirections on the Router class.
Merge pull request #710 from Tembrel/guice-integration

Guice integration update
 - Fixed Javadocs
- Added static get(...) methods to Role
- Added getRole(String) method to ServerResource.
- Refactored GaeEnroler constructors to require proper Role instances or parent Application.
- Refactored OAuth and MemoryRealm to use the new role related methods.
Merge branch 'master' of github.com:restlet/restlet-framework-java

Conflicts:
	build/tmpl/text/changes.txt
	modules/org.restlet/src/org/restlet/security/MemoryRealm.java
Update README with paths in main repo
Another round of URL fixes; not right first time
Replaced clumsy generation of manifest files.
       - Fixed bug when chaining Transformer or TransformRepresentation
         objects. Reported by Brian Sletten.
       - Added support for parsing IPv6 when parsing host URI in internal HTTP server.
         Contributed by Jun Hou.
       - Added support for parsing IPv6 when parsing host URI in internal HTTP server.
         Contributed by Jun Hou.
Fixed javadocs.
Updated forge library.
Updated build script.