Add primefaces-showcase
Add webflow-showcase project
Update pom repositories
Update Web Flow version to 2.4.0.BUILD-SNAPSHOT

Also the booking-portlet-faces sample is upgraded to JSF 2.0
Modify booking-portlet-faces to use faces:resources

The booking-portlet-faces sample now takes advantage of the updated
faces:resources custom namespace element.
Update demo to show saved output to flash scope
This demo shows how flow output can be mapped to MVC flash scope.  In
this case the output is a simple string message that will be displayed
to the user.

Issues: SWF-1561
Upgrade to Spring Framework 3.2.1
Updated dependency versions:
   * Spring Framework to 3.1.2
   * Spring Security to 3.1.2
Added dependencies:
   * Thymeleaf 2.0.14-SNAPSHOT
   * Thymeleaf-extras-Tiles2 1.0.0-beta3-SNAPSHOT
   * Thymeleaf-extras-SpringSecurity3 1.0.0-beta2-SNAPSHOT
Refactored dependencies.

  * Reformatted code. Removed unnecessary exclude clauses.
  * Upgraded Apache Tiles dependency to version 2.2.2
Refactored Tiles version in pom.xml
Applied Thymeleaf configuration

  * Applied Thymeleaf configuration and Template Engine creation
    to webmvc-config configuration file.
  * Made application run through Thymeleaf's own Tiles infrastructure.
Added log configuration entry for thymeleaf.
Added first Thymeleaf template to application (intro.html)

Also modified template resolver configuration to remove ".html"
suffix so that it is specified in Tiles definition names and therefore
is easy to differentiate in case when the HTML has the same name as a
definition (thus avoiding infinite recursion).
Added thymeleaf versions of "login" and "logoutSuccess"
Created Standard Layout in thymeleaf.
Added dependency to thymeleaf-extras-conditionalcomments
Thymeleaf-ied layout and several JSP pages.
Added bookingsTable.html, reconfigured JSP layout for old pages.
Added list and show pages
Converted booking flow to thymeleaf.